US20140345072A1 - Y-Shaped Cleaning Apparatus - Google Patents
Y-Shaped Cleaning Apparatus Download PDFInfo
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- US20140345072A1 US20140345072A1 US13/898,627 US201313898627A US2014345072A1 US 20140345072 A1 US20140345072 A1 US 20140345072A1 US 201313898627 A US201313898627 A US 201313898627A US 2014345072 A1 US2014345072 A1 US 2014345072A1
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- cleaning
- neck
- cleaning head
- longitudinal axis
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B5/00—Brush bodies; Handles integral with brushware
- A46B5/0004—Additional brush head
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/04—Arranged like in or for toothbrushes
- A46B9/045—Arranged like in or for toothbrushes specially adapted for cleaning a plurality of tooth surfaces simultaneously
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B5/00—Brush bodies; Handles integral with brushware
- A46B5/002—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions
- A46B5/0054—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body
- A46B5/0062—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body being flexible or resilient during use
- A46B5/0066—Flexible resilience by elastic deformation of the material
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
- A46B9/04—Arranged like in or for toothbrushes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K7/00—Body washing or cleaning implements
- A47K7/02—Bathing sponges, brushes, gloves, or similar cleaning or rubbing implements
- A47K7/028—Bathing sponges, brushes, gloves, or similar cleaning or rubbing implements having a rigid handle
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/10—For human or animal care
- A46B2200/1006—Brushes for cleaning the hand or the human body
Definitions
- This disclosure relates generally to cleaning apparatuses and more specifically to cleaning apparatuses with a Y-shaped profile.
- a conventional, monoaxial toothbrush including a two-headed “double-ended” toothbrush, typically encourages a user to elevate an elbow in order to make the brush head generally parallel with a row of teeth.
- the user then typically employs a side-to-side scrubbing motion, which can be inadequate for removing plaque and can increase the risk of damage to the teeth (e.g., abrasion) and gums (e.g., recession).
- a number of cleaning methods offer advantages over the side-to-side motion.
- the bristles of the toothbrush are placed against the buccal and lingual surfaces and canted at a 45-degree angle, pointing either apically, when intra-sulcular cleaning is the goal, or coronally, when penetration of the interdental spaces is the goal.
- the toothbrush is then “vibrated” or moved either in a circular fashion or horizontally in short strokes.
- the execution of the movements entailed in such brushing techniques can be physically challenging, especially in brushing the lower quadrant of the contralateral teeth.
- Implementing such a technique using a longitudinally configured toothbrush requires a level of both gross and fine motor control and other skills that may be beyond the capability of people such as the young, the elderly, and those with physical or neurological limitations.
- Essentially the same challenges are present when brushing the teeth of an animal, and perhaps greater challenges can be encountered when caregivers are cleaning the teeth of another, particularly when the caregiver is situated behind the person.
- a longitudinally configured toothbrush can also be illustrated in the case of cleaning the anterior lingual teeth, both upper and lower: the brush head can be prevented from being applied parallel to the row of teeth being cleaned because, due to the dental arch, the handle or even the cleaning head itself may come into contact with teeth adjacent to those in the row to be cleaned.
- the ulnar-radial and radial-ulnar rotation of the wrist and forearm that can be used in cleaning the lingual surfaces can be relatively difficult to execute.
- the user orients the toothbrush perpendicular to the row of teeth before scrubbing with the brush. Such a method can damage the gingival or palatal tissues and lead to faster wear of the bristles of the brush being used.
- a toothbrush with a brush head that is positioned at a right angle to the handle can allow a user to hold the toothbrush in a vertical or nearly vertical position, which reduces the muscular effort required and may allow a user greater ease in holding or manipulating the brush.
- This biomechanical advantage can reduce the risk of applying insufficient force to the area being cleaned and, thus, can reduce the risk of achieving insufficient interdental penetration; at the same time, it may also reduce the risk of applying excessive force. Further, such comparative biomechanical efficiency decreases the likelihood of the brushing process coming to a halt before a complete cleaning has been accomplished.
- the width of the brush head can be reduced, though such reduction can lessen the advantage of this design.
- Some known toothbrushes include a brush head that can be manually rotated from a configuration coaxial with the handle to adopt a perpendicular relationship to the longitudinal axis of the toothbrush, giving the toothbrush the shape of the letter “L”.
- Other toothbrushes permit manually changing the orientation of the cleaning head to provide a “T”-shaped toothbrush. These toothbrushes can require interrupting the cleaning process to rotate the brush head and can include the user having to manipulate a wet brush head.
- a mechanical switching mechanism to rotate the orientation of the cleaning head can increase the cost of manufacture as well as introduce the possibility of mechanical malfunction.
- ‘Double-ended’ toothbrushes having a cleaning head at each end of a longitudinal handle are also known. Because the brush heads are used asynchronously and independently of each other, they may include two different types of cleaning heads. In some cases, the cleaning heads are complementary or mirror images of each other, while in others, they can be different in shape or function. The longitudinal configuration of such toothbrushes requires the user to interrupt the cleaning process when changing from one brush head to the other. Unless the user has the manual dexterity required to reverse the orientation of the toothbrush using only one hand, it may be necessary to lay the toothbrush down and pick it up in a different position, or transfer the toothbrush to the other hand and then retrieve it in a different position. When using the second brush head, the first brush head, having just been used, can be wet and dripping with toothpaste or water. In addition, the cleaning head not being used may occupy a position uncomfortably close to the use's hand or forearm.
- the gripping portion of the handle of a monoaxial two-headed toothbrush is typically longitudinally symmetrical, since the toothbrush can be capable of being grasped by the user with the brush heads facing in either of two opposing directions. Therefore, it can be difficult to incorporate certain ergonomic principles in the gripping portion of the handle. For example, it may be difficult to include features such as a hilt, a pommel, or finger grooving in the gripping portion of the handle. In the case of an adult, it is recommended that the length of the gripping portion of the handle of a hand-held implement range between four and six inches and that the diameter range from about 1.5 to 2.0 inches (3.81 to 5.08 cm). As a practical matter, it may be difficult to provide a monoaxial two-headed toothbrush with such optimal handle dimensions.
- the multi-headed cleaning apparatus of U.S. Pat. No. 6,588,956 B1, to Gennuso, Jr. can be used for cleaning broad surfaces and for 360-degree cleaning around protrusions. It can include a pivot structure at the end of an elongate handle, the pivot structure having a circular cleaning pad attached to it, and a plurality of arms extending from the pivot structure, with each arm end having a circular cleaning pad.
- the center-cleaning pad is rotatably attached to the pivot structure and the other cleaning pads are pivotally attached to the arms in order to conform to the shape of the surface being cleaned.
- the handle is hollow and water under pressure can be delivered to the cleaning pads. It appears that the entirety of the apparatus is intended to be used at the same time.
- a two-headed cleaning apparatus can include a handle including a first handle portion and first and second necks, each neck including a first neck end and an opposing second neck end, wherein the second neck end of both necks is coupled to the first handle portion and a longitudinal axis of the first neck forms an angle of between about 30 degrees and about 100 degrees with a longitudinal axis of the apparatus on a first lateral side of the apparatus, and a longitudinal axis of the second neck forms an angle of between about 30 degrees and about 100 degrees with the longitudinal axis of the apparatus on an opposing second lateral side thereof.
- the apparatus can also include first and second individual cleaning heads each coupled to the first neck end of the first and second necks, respectively, wherein the cleaning heads each have a proximal portion closest to the first neck end and an opposing distal portion farthest therefrom, wherein the coupling is between the first neck end and the proximal portion of the cleaning head, and wherein each cleaning head has an upper side facing in a substantially same direction as an upper side of the cleaning apparatus and an opposing lower side, and a lower side of each cleaning head includes cleaning tools coupled thereto.
- a method of manufacturing a two-headed cleaning apparatus comprising the steps of providing a handle having a first handle portion, providing first and second necks each having a first neck end and an opposing second neck end, and coupling the second end of both necks to the first handle portion in such a way that a longitudinal axis of a first neck forms an angle of between about 30 degrees and about 100 degrees with a longitudinal axis of the apparatus on a first lateral side thereof and a longitudinal axis of a second neck forms an angle of between about 30 degrees and about 100 degrees with the longitudinal axis of the apparatus on an opposing lateral side thereof.
- the method can also include providing two cleaning heads each having a first upper surface and a second opposing lower surface and attaching cleaning tools to the opposing lower surface of at least one of the cleaning heads and coupling a first cleaning head to the first neck end of the first neck and coupling a second cleaning head to the first neck end of the second neck.
- FIG. 1 depicts a front view diagram of an example of a two-headed cleaning apparatus.
- FIG. 2 is a side view diagram of an example of a two-headed cleaning apparatus.
- FIG. 3 is a side view diagram of an example of a two-headed cleaning apparatus.
- FIGS. 4A-C are front view diagrams of examples of two-headed cleaning apparatuses.
- FIGS. 5A-D are partial front view diagrams of examples of two-headed cleaning apparatuses.
- FIGS. 6A-B are side view diagrams of examples of two-headed cleaning apparatuses.
- FIG. 7 is a top view diagram of an example of a two-headed cleaning apparatus.
- FIGS. 8A-C are partial top view diagrams of examples of two-headed cleaning apparatuses (view of the necks omitted).
- FIG. 9 is a partial side view diagram of an example of a handle.
- One or more cleaning apparatuses can include a handle and two necks extending therefrom.
- the two necks can extend from a same portion of the handle on opposing lateral sides of the longitudinal axis of the apparatus.
- the angle formed by the longitudinal axis of an individual neck and the longitudinal axis of the cleaning apparatus handle can range between about 30 degrees and about 100 degrees.
- Both necks can include a cleaning head coupled to their distal end.
- the cleaning heads can include cleaning tools affixed to a side thereof.
- the cleaning apparatus can be substantially laterally symmetrical.
- the cleaning apparatus can alternatively be laterally asymmetrical.
- the cleaning apparatus can have a backside opposing the cleaning tools, a front side opposing the backside, a longitudinal plane, a transverse plane, and a vertical plane perpendicular to the transverse axis and collinear with the longitudinal axis.
- FIG. 1 shows a front view diagram of an example of a two-headed cleaning apparatus 120 .
- a substantially elongate handle 100 has a first handle portion 101 and a second handle portion 102 .
- the handle 100 can be configured to accommodate a user placing a finger in a space 110 (e.g., a divot or recession) between first neck ends 103 A and 103 B to help facilitate a user to exercise greater gripping control.
- the diameter of handle 100 is shown as generally constant in FIG. 1 , but handle 100 can optionally include a thickened medial portion, a hilt, a pommel, one or more finger grooves, or any combination thereof.
- the handle 100 can be a variety of lengths.
- the handle 100 is long enough for the user to clean surfaces that are beyond the normal reach of the user.
- the handle 100 can be non-elongate.
- Such non-elongate handles 100 can be configured for the needs of specialized populations, such as the physically disabled or elderly, among others.
- the configuration of the apparatus 120 can permit a user to grasp a proximal portion of either neck 104 A-B (the portion near neck end 103 A or 103 B), while simultaneously grasping a gripping portion of the handle 100 , to increase the user's control over the apparatus 120 .
- Such a configuration can help the user control the neck 104 A or 104 B or cleaning head 106 A or 106 B being used.
- the handle 100 can include one or more apertures, divots, or recessions configured to receive one or more of the user's fingers or the thumb.
- the configuration of the handle 100 may resemble a pistol grip.
- the handle 100 is configured to reduce the degree of radial and/or ulnar rotation of the user's wrist.
- the apparatus 100 may include an extension that extends to reach the forearm of the user, the extension configured to contact the forearm of the user and increase the ease of controlling the movement and manipulation of the apparatus 120 .
- the apparatus 120 includes two necks 104 A-B that are joined at an end of the necks 104 A-B, such as shown in FIG. 1 .
- the necks 104 A-B can be configured to be replaceable, such as by including a screw on either the neck 104 A or 104 B or handle 100 and a corresponding screw hole on the handle 100 or neck 104 A or 104 B or other male and corresponding female connection feature, among others.
- First and second necks 104 A and 104 B include first neck ends 103 A and 103 B, respectively.
- the first neck ends 103 A and 103 B can be coupled to the second handle portion 102 .
- the longitudinal axes of necks 104 A and 104 B can each form an interior angle of between about 30 degrees and about 100 degrees with the longitudinal axis of the apparatus 120 .
- the angles formed with the longitudinal axis of the apparatus 120 by the two necks are non-identical.
- the cross-section of a neck 104 A or 104 B, or a portion thereof may be substantially round, ovaloid, elliptical, rectangular, or triangular, among other shapes.
- a neck 104 A or 104 B is substantially rigid. In one or more embodiments, a neck 104 A or 104 B is flexible and resilient. In one or more embodiments, a neck 104 A or 104 B can have both rigid and flexible and resilient portions.
- the neck 104 A or 104 B has a medial side and a lateral side, wherein the medial side of the neck 104 A or 104 B is defined herein as a portion (e.g., side portion) of the neck 104 A or 104 B closer to the longitudinal axis of the handle 100 and facing the axis, and the lateral portion is defined as the side portion of the neck 104 A or 104 B further away from the longitudinal axis of the handle 100 and opposing the medial side portion.
- a neck 104 A or 104 B has a backside and a front side, wherein the back and the front sides are defined in accordance with whether they face in the same direction as the back or the front side of the apparatus 120 .
- the apparatus 120 can include a neck 104 A or 104 B of a variety of lengths.
- the length of the neck 104 A or 104 B can be configured to facilitate reaching certain areas to be cleaned, or to incorporate various types of axial or planar curves in the neck 104 A or 104 B.
- the cleaning head 106 A or 106 B can be configured as elongate, such as shown in FIG. 1 .
- the cleaning heads 106 A or 106 B can have a proximal portion that is defined herein as a portion closest to a coupling with the neck end 107 A or 107 B, and a distal portion, defined herein as that portion farthest from the coupling with the neck end 107 A or 107 B.
- the distal ends of the cleaning heads 106 A-B are labeled 108 A-B, respectively.
- the longitudinal axis of the cleaning head 106 A or 106 B is defined as an axis that bisects the proximal and the distal portions 108 A-B of the cleaning heads 106 A-B.
- a longitudinal plane of the cleaning head 106 A or 106 B is defined as a plane that is collinear with the longitudinal axis of the cleaning head 106 A or 106 B.
- the cleaning heads 106 A-B may be coupled to second neck ends 105 A-B, respectively.
- the cleaning head 106 A or 106 B is coaxial with the distal portion of the neck 104 A or 104 B, respectively.
- the cleaning head 106 A or 106 B can be elongate and coupled to a neck 104 A or 104 B, respectively, at a location other than the proximal portion of the cleaning head 106 A or 106 B.
- the coupling location can include a longitudinal midpoint of the cleaning head 106 A or 106 B.
- the cleaning head 106 A or 106 B can be non-coaxial with the distal portion of the neck 104 A or 104 B to which each is coupled.
- the cleaning head 106 A or 106 B can be non-elongate.
- the cleaning head 106 A or 106 B can be angled or canted in the direction of the upper side of the apparatus from the longitudinal plane of a distal portion of the neck 104 A or 104 B to which it is coupled.
- the longitudinal plane of the cleaning head 106 A or 106 B can be angled or canted in the direction of the lower side of the apparatus from the longitudinal plane of a distal portion of the neck 104 A or 104 B to which it is coupled.
- the cleaning head 106 A or 106 B can be tilted in the direction of, or away from, the vertical axis of the apparatus 120 or the handle 100 .
- the cleaning head 106 A or 106 B can have rounded corners or edges.
- the periphery of a top surface of the cleaning head 106 A or 106 B can be tapered, beveled, or at least partially rounded.
- the two cleaning heads 106 A-B can be shaped or configured differently from one another, and can be configured for different cleaning tasks.
- FIG. 2 shows an example of a cleaning apparatus, such as the cleaning apparatus 120 shown in FIG. 1 .
- the cleaning apparatus 120 can include one more cleaning tools 109 A-B extending from a lower side of cleaning heads 106 A-B.
- the cleaning tools 109 A-B can be made of one or more materials, such as sponges, wires, lambs' wool, steel wool, abrasive materials, pads, bristles (e.g., natural or synthetic, hair, fibers, filaments, or any combination thereof), or any combination thereof, among others.
- the material(s) of each cleaning tool 109 A or 109 B can be the same or different.
- the stiffness characteristic of each cleaning tool 109 A or 109 B can be substantially the same or can be different.
- the cleaning tool 109 A of one cleaning head 106 A or parts thereof may be stiffer or more flexible than the cleaning tool 109 B.
- the profile of the portion(s) of cleaning tool 109 B that contact surfaces can be substantially the same as, or different from that of cleaning tool 109 A.
- the cleaning tools 109 A-B can be of uniform or variable length.
- the cleaning tools 109 A-B can be configured for cleaning the tongue; alternatively, the cleaning head 106 A-B can be shaped to be a tongue cleaner.
- FIG. 3 shows an example of an apparatus 120 in which the longitudinal plane 324 of one or both necks 104 A-B forms an interior obtuse angle with the longitudinal plane 322 of the apparatus 120 on a side of the apparatus plane 322 opposite that of the cleaning tools.
- the apparatus 120 is configured as a toothbrush, this configuration can offer the user increased flexibility in cleaning the oral cavity by making it easier to reach certain areas of the oral cavity.
- the longitudinal plane 324 of the neck 104 A can form an angle of a degree with the longitudinal plane 322 of the apparatus that is different from the angle formed between the longitudinal plane of the neck 104 B and the longitudinal plane 324 of the apparatus 120 .
- FIGS. 4A-C are perspective views that show examples of necks 104 with curves relative to the longitudinal plane 324 of the neck 104 , as well as the longitudinal plane 322 of the apparatus 120 . These curves may include curves that are convex, concave, or a combination thereof relative to the longitudinal plane 324 of the neck.
- the necks 104 can include a compound planar curve, such as a compound curve wherein a proximal portion is convex to the longitudinal plane 324 of the neck and a distal portion is concave thereto.
- the necks 104 can include a compound curve wherein a proximal portion of the curve is concave to the plane 324 of the neck 104 and a distal portion is convex to the plane 324 of the neck 104 .
- One or both necks 104 A-B can have any of the curves described above, with the curves relative to the longitudinal plane 322 of the apparatus 120 .
- the necks 104 A-B may be substantially coplanar with the apparatus and have any of the aforementioned curves relative to the plane 324 . When the cleaning apparatus 120 is a toothbrush, these features may substantially improve the ease of cleaning some teeth, such as the posterior teeth.
- FIGS. 5A-D show back views of examples of the apparatus 120 that can include one or more cleaning heads 106 A-B whose longitudinal axis creates an angle with the longitudinal axis of the neck 104 A-B, or with just a distal portion thereof.
- FIG. 5A shows cleaning heads 106 A-B with a longitudinal axis 526 that forms an interior obtuse angle with the longitudinal axis 324 of the neck.
- FIG. 5B shows the longitudinal axis 526 of one or more cleaning heads 106 A-B forming an interior angle of about 90 degrees with the longitudinal axis 324 of the neck 104 .
- FIG. 5A shows cleaning heads 106 A-B with a longitudinal axis 526 that forms an interior obtuse angle with the longitudinal axis 324 of the neck.
- FIG. 5B shows the longitudinal axis 526 of one or more cleaning heads 106 A-B forming an interior angle of about 90 degrees with the longitudinal axis 324 of the neck 104 .
- FIG. 5C shows cleaning heads 106 -B with the longitudinal cleaning head axis 526 set at a substantially perpendicular angle to the longitudinal axis 324 of the neck 104 .
- FIG. 5C depicts cleaning heads 106 A-B forming an angle of about 90 degrees with the neck ends (indicated by dashed lines) at or near a longitudinal cleaning head 106 A-B midpoint.
- FIG. 5D depicts cleaning heads 106 A-B with the longitudinal cleaning head axis 526 forming an angle that is substantially perpendicular to the longitudinal axis 322 of the apparatus 120 .
- the cleaning head 106 may be joined to the neck 104 at any location along the cleaning head 106 , that is, at a cleaning head midpoint or elsewhere.
- the relationship of the cleaning head 106 longitudinal axes to the longitudinal axis of the neck 104 the cleaning head 106 is coupled to, does not have to be the same for each cleaning head 106 .
- the cleaning head 106 A can be coupled to the neck 106 A in the orientation as shown in FIG. 5A and the cleaning head 106 B can be coupled to the neck 106 B in the orientation as shown in FIG. 5B .
- the cleaning heads 106 A-B depicted are substantially elongate, the same configurations may be incorporated in embodiments of the apparatus that comprise non-elongate cleaning heads.
- the shape of the cleaning head 106 can be that of an oval or other shape that does not have corners.
- the cleaning heads 106 can be coupled to form a variety of angles with the individual neck element 104 that are not depicted in the FIGS.
- FIGS. 6A-B show an embodiment of apparatus 120 that can include one or both cleaning heads 106 A-B whose longitudinal planes form an interior obtuse angle with the longitudinal plane of necks 104 A-B or with a distal portion thereof.
- one or both cleaning heads are canted in the direction of the front of the apparatus. In another embodiment, they are canted in the direction of the back of the apparatus.
- one cleaning head is canted in a first direction relative to the longitudinal plane of the neck element to which it is coupled and a second cleaning head is canted in a second (e.g., opposing) direction relative to the longitudinal plane of the neck element to which it is coupled.
- Such canted cleaning heads may make it easier to reach various surfaces to be cleaned.
- FIG. 7 shows an example of an apparatus 120 wherein the transverse plane of both cleaning heads 106 A-B is tilted in the direction of a vertical apparatus plane that is collinear with the longitudinal axis of the apparatus 120 , such that the transverse plane of the cleaning heads 106 A-B forms an interior acute angle with the vertical apparatus plane.
- only one cleaning head 106 A or 106 B is tilted in such a manner.
- At least one cleaning head 106 can be tilted such that its lateral plane forms an interior acute angle with the vertical apparatus plane, wherein the vertex of the angle is on the upper side of the apparatus.
- Such configurations can be useful as a toothbrush in cleaning the buccal and lingual surfaces of the posterior teeth.
- FIGS. 8A-C are top views of examples of the apparatus 120 with the neck omitted from view.
- FIG. 8A shows an embodiment of the apparatus 120 that can include cleaning heads 106 A-B that have curves, wherein a first cleaning head 106 A and its cleaning tools 109 A have a curve that is substantially concave to the longitudinal plane 526 of the cleaning head 106 A and a second cleaning head 106 B and its cleaning tools 109 B have a curve that can be substantially convex to the longitudinal plane 526 of the cleaning head 106 B.
- both cleaning heads 106 A-B face in a same direction.
- cleaning tools 109 with a concave curve may facilitate the cleaning of the buccal surfaces, such as the anterior buccal surfaces; and cleaning tools 109 having a convex curve may facilitate the cleaning of the lingual surfaces, particularly the anterior lingual surfaces.
- FIG. 8B depicts an embodiment of the apparatus 120 wherein the profile of the cleaning tools 109 A of a first cleaning head 106 A forms a curve substantially concave to the longitudinal plane 526 of the cleaning head 106 A and the profile of the cleaning tools 109 B of a second cleaning head 106 B have a curve substantially convex to the longitudinal plane 526 of the cleaning head 106 B.
- both cleaning heads 106 A-B face in the same direction.
- FIG. 8C shows an example of the apparatus 120 that includes a first cleaning head 106 A facing in a first direction relative to the transverse plane of the apparatus 120 and a second cleaning head 106 B facing in an opposite direction.
- the apparatus 120 in this configuration can offer convenience in brushing buccal surfaces, and lingual surfaces, in turn, without the user having to change his grip on the apparatus.
- an apparatus 120 can include cleaning tools 109 A-B that can face in opposite directions with cleaning tools 109 A having a concave profile and cleaning tools 109 B having a convex profile.
- FIG. 9 shows an example of a first handle end 928 of an apparatus 120 .
- the apparatus can have a substantially elongate handle 100 , wherein the plane of the first handle end 928 can be substantially flat and the angle of the plane can be such that the apparatus 120 can be stood erect.
- the portion of the handle farthest from the necks may have a flat portion the angle of whose plane permits the apparatus to be stood erect.
- a portion of the handle 100 or other portion of the apparatus 120 can include one or more surface portions configured to bear an inscription such as a logo, emblem, seal, or one or more words.
- the handle 100 can be substantially short so as to permit a user to grasp the handle 100 in the volar surface (e.g., palm) of the use's hand.
- Such an implementation can include a handle 100 that is about an inch shorter than the normal handle length.
- the end of the handle 100 opposing the end of the apparatus that includes the cleaning heads 106 can be rounded or blunt so that the handle 100 does not hurt a user when using the apparatus in this manner.
- Such a configuration can increase the maximum power that can be exerted, such as without any loss of precision.
- Such a configuration can work synergistically with a user looping a finger over the intersection of two necks.
- cleaning apparatuses 120 Due to the configuration of the cleaning apparatuses 120 disclosed herein, it may not be immediately apparent how to efficiently use the apparatus 120 .
- cleaning heads 106 A-B, or the contour of cleaning tools 109 A-B, whose profiles have a curve or are complementary in shape it can be appreciated that one cleaning head 106 A or corresponding cleaning tools 109 A can be comparatively more suitable for cleaning concave surfaces and the other cleaning head 106 B or corresponding cleaning tools 109 B can be comparatively better suited for cleaning convex surfaces.
- a user When the apparatus 120 is used as a toothbrush, a user, according to the preference of the user, may employ one of several cleaning protocols.
- the cleaning heads 106 A-B are labeled according to their orientation when the toothbrush is configured with both cleaning heads 106 A-B facing the user and canted in a same direction relative to the transverse plane of the apparatus 120 .
- eight quadrants of the teeth (upper, lower, left and right buccal and lingual) can be cleaned without the user having to reverse the direction the cleaning tools face.
- the first part of the protocol may be as follows:
- the second part of the protocol may be as follows:
- a user may prefer to begin with the second part of the protocol.
- the cleaning heads 106 A-B can be used in sequence, that is, one at a time, again without the user having to change the direction of the cleaning head 106 A-B.
- the left cleaning head is used first; however, the user may begin with either cleaning head.
- the orientation of the toothbrush can be changed one time. Either the buccal quadrants or the lingual quadrants are cleaned first, followed by the other quadrants.
- the user can begin with the buccal quadrants, using one of the following two alternative sequences:
- the other quadrants are cleaned (in this example, the other quadrants are the lingual quadrants). It is at this point that the orientation of the toothbrush from the perspective of the user is changed by reversing the direction it faces from the viewpoint of the user. Either of the two following protocols may be employed for cleaning the lingual dental surfaces:
- a two-headed cleaning apparatus can include a handle including a first handle portion and first and second necks, each neck including a first neck end and an opposing second neck end, wherein the second neck end of both necks is coupled to the first handle portion and the longitudinal axis of a first neck forms an angle of between about 30 degrees and about 100 degrees with the longitudinal axis of the apparatus on a first lateral side of the apparatus, and the longitudinal axis of a second neck forms an angle of between about 30 degrees and about 100 degrees with the longitudinal axis of the apparatus on an opposing lateral side thereof
- the apparatus of Example 1 can include first and second individual cleaning heads each coupled to the first neck end of the first and second necks, respectively, wherein the cleaning heads each have a proximal portion closest to the first neck end and an opposing distal portion farthest therefrom and the coupling is between the first neck end and the proximal portion of the cleaning head, and wherein each cleaning head has an upper side facing in a substantially same direction as the upper side of the cleaning apparatus and an opposing lower side, and the lower side of each cleaning head includes cleaning tools coupled thereto.
- Example 3 at least one first neck end of at least one of Examples 1-2 can be coupled to a cleaning head at a location between the portion of the cleaning head closest to the longitudinal axis of the apparatus and the portion of the cleaning head farthest from the longitudinal axis of the apparatus.
- Example 4 the longitudinal axis of at least one cleaning head of at least one of Examples 1-3 forms an angle of less than 180 degrees with the distal portion of the neck to which it is coupled on the lateral side of the neck.
- Example 5 the longitudinal axis of at least one cleaning head of at least one of Examples 1-4 forms an angle of less than 180 degrees with the distal portion of the neck to which it is coupled on the medial side of the neck.
- Example 6 the longitudinal plane of at least one cleaning head of at least one of Examples 1-5 can be non-coplanar with the longitudinal plane of a distal portion of the neck to which the cleaning head is coupled.
- Example 7 the transverse plane of at least one cleaning head of at least one of Examples 1-6 is non-coplanar with a transverse plane of the apparatus.
- Example 8 the at least one cleaning head of at least one of Examples 1-7 includes at least one curve.
- a profile of the cleaning tools of at least one cleaning head of at least one of Examples 1-8 includes at least one curve.
- Example 10 a first cleaning head of the at least one cleaning head of at least one of Examples 1-9 faces in a first direction relative to the transverse plane of the cleaning apparatus and a second cleaning head faces in an opposing direction.
- Example 11 a longitudinal plane of at least one neck of at least one of Examples 1-10 can be canted in a same direction as the upper side of the apparatus and forms an interior obtuse angle with the longitudinal plane of the apparatus on the upper side of the apparatus.
- Example 12 at least one neck of at least one of Examples 1-11 includes at least one curve.
- Example 13 the cleaning tools of at least one of Examples 1-12 are made of at least one material chosen from the group including a sponge, a wire, lambs' wool, steel wool, an abrasive material, a pad, bristles, or a combination thereof
- Example 14 the apparatus of at least one of Examples 1-13 can be configured as a toothbrush.
- Example 15 the apparatus of at least one of Examples 1-13 can be configured as a bath or shower brush.
- Example 16 a portion of the handle farthest from the second neck end of at least one of Examples 1-15 can be substantially flat and the plane of the aforesaid portion of the handle is such that the apparatus can be stood erect.
- Example 17 the handle of at least one of Examples 1-16 includes a portion suitable for inscription of an image or lettering.
- a method can include providing a handle having a first handle portion, providing two generally elongate necks each having a first neck end and an opposing second neck end, and coupling the second end of both necks to the first handle portion in such a way that the longitudinal axis of a first neck forms an angle of between about 30 degrees and about 100 degrees with the longitudinal axis of the apparatus on a first lateral side thereof and the longitudinal axis of a second neck forms an angle of between about 30 degrees and about 100 degrees with the longitudinal axis of the apparatus on an opposing lateral side thereof
- Example 19 the method of Example 18 can include providing two cleaning heads each having a first upper surface and a second opposing lower surface and attaching cleaning tools to at least the opposing lower surface of at least one of the cleaning heads and coupling a first cleaning head to the first neck end of a first neck and coupling a second cleaning head to the first neck end of a second neck.
- Example 20 the method of at least one of Examples 18-19 is a method for manufacturing an apparatus configured as a toothbrush.
- a two-headed toothbrush can include a handle including a first handle portion and first and second necks, each neck including a first neck end and an opposing second neck end, wherein the second neck end of both necks is coupled to the first handle portion and the longitudinal axis of the first neck forms an angle of between about 30 degrees and about 100 degrees with a longitudinal axis of the toothbrush on a first lateral side of the toothbrush and the longitudinal axis of a second neck forms an angle of between about 30 degrees and about 100 degrees with the longitudinal axis of the toothbrush on an opposing lateral side of the toothbrush.
- the two-headed toothbrush of at least one of Examples 1-21 can include first and second individual cleaning heads each having a proximal portion closest to the first neck end and an opposing distal portion, each cleaning head having an upper side facing in a substantially same direction as the upper side of the toothbrush and an opposing lower side, a longitudinal axis that intersects the proximal and the distal portions of the cleaning head, and at least the lower side of at least one cleaning head includes cleaning tools coupled thereto, wherein each of the cleaning heads is coupled to one of the necks at the first neck end and the cleaning head proximal portion.
- Example 23 one or more of the necks of at least one of Examples 1-22 is non-straight, non-coplanar, or non-coaxial, or any combination of the foregoing, with a longitudinal axis of the toothbrush.
- the terms “a” or “an” are used, as is common in patent documents, to denote one or more than one, independent of any other instances or usages of “at least one” or “one or more.”
- the term “or” is used to refer to a nonexclusive “or,” such that “A or B” comprises “A but not B,” “B but not A,” and “A and B,” unless otherwise indicated.
- Method examples described herein can be machine or computer-implemented at least in part. Some examples can comprise a computer-readable medium or machine-readable medium encoded with instructions operable to configure an electronic device to perform methods as described in the above examples.
- An implementation of such methods can comprise code, such as microcode, assembly language code, a higher-level language code, or the like. Such code can comprise computer readable instructions for performing various methods.
- the code can form portions of computer program products. Further, in an example, the code can be tangibly stored on one or more volatile, non-transitory, or non-volatile tangible computer-readable media, such as during execution or at other times.
- Examples of these tangible computer-readable media can comprise, but are not limited to, hard disks, removable magnetic disks, removable optical disks (e.g., compact disks and digital video disks), magnetic cassettes, memory cards or sticks, random access memories (RAMs), read only memories (ROMs), and the like.
Abstract
A generally Y-shaped cleaning apparatus comprises a handle and two necks extending from a same portion thereof, each neck bearing a cleaning head that includes cleaning tools, the two cleaning heads configured to be used asynchronously and independently of each other, the longitudinal axis of a first neck intersecting the longitudinal axis of the apparatus to form an angle of between about 30 degrees and about 100 degrees on a first lateral side of the apparatus and the longitudinal axis of a second neck intersecting the longitudinal axis of the apparatus to form an angle of between about 30 degrees and about 100 degrees on an opposing lateral side.
Description
- This disclosure relates generally to cleaning apparatuses and more specifically to cleaning apparatuses with a Y-shaped profile.
- The configuration of a conventional, monoaxial toothbrush, including a two-headed “double-ended” toothbrush, typically encourages a user to elevate an elbow in order to make the brush head generally parallel with a row of teeth. The user then typically employs a side-to-side scrubbing motion, which can be inadequate for removing plaque and can increase the risk of damage to the teeth (e.g., abrasion) and gums (e.g., recession). A number of cleaning methods offer advantages over the side-to-side motion. For example, in the Bass, Stillman, and Charters methods, the bristles of the toothbrush are placed against the buccal and lingual surfaces and canted at a 45-degree angle, pointing either apically, when intra-sulcular cleaning is the goal, or coronally, when penetration of the interdental spaces is the goal. The toothbrush is then “vibrated” or moved either in a circular fashion or horizontally in short strokes. However, the execution of the movements entailed in such brushing techniques can be physically challenging, especially in brushing the lower quadrant of the contralateral teeth. Implementing such a technique using a longitudinally configured toothbrush requires a level of both gross and fine motor control and other skills that may be beyond the capability of people such as the young, the elderly, and those with physical or neurological limitations. Essentially the same challenges are present when brushing the teeth of an animal, and perhaps greater challenges can be encountered when caregivers are cleaning the teeth of another, particularly when the caregiver is situated behind the person.
- The limitations of a longitudinally configured toothbrush can also be illustrated in the case of cleaning the anterior lingual teeth, both upper and lower: the brush head can be prevented from being applied parallel to the row of teeth being cleaned because, due to the dental arch, the handle or even the cleaning head itself may come into contact with teeth adjacent to those in the row to be cleaned. In addition, the ulnar-radial and radial-ulnar rotation of the wrist and forearm that can be used in cleaning the lingual surfaces can be relatively difficult to execute. Typically the user orients the toothbrush perpendicular to the row of teeth before scrubbing with the brush. Such a method can damage the gingival or palatal tissues and lead to faster wear of the bristles of the brush being used.
- A toothbrush with a brush head that is positioned at a right angle to the handle can allow a user to hold the toothbrush in a vertical or nearly vertical position, which reduces the muscular effort required and may allow a user greater ease in holding or manipulating the brush. This biomechanical advantage can reduce the risk of applying insufficient force to the area being cleaned and, thus, can reduce the risk of achieving insufficient interdental penetration; at the same time, it may also reduce the risk of applying excessive force. Further, such comparative biomechanical efficiency decreases the likelihood of the brushing process coming to a halt before a complete cleaning has been accomplished. However, such “transversal” toothbrushes are difficult to apply to the lingual surfaces of the anterior teeth. In order to alleviate this complication, the width of the brush head can be reduced, though such reduction can lessen the advantage of this design.
- Some known toothbrushes include a brush head that can be manually rotated from a configuration coaxial with the handle to adopt a perpendicular relationship to the longitudinal axis of the toothbrush, giving the toothbrush the shape of the letter “L”. Other toothbrushes permit manually changing the orientation of the cleaning head to provide a “T”-shaped toothbrush. These toothbrushes can require interrupting the cleaning process to rotate the brush head and can include the user having to manipulate a wet brush head. A mechanical switching mechanism to rotate the orientation of the cleaning head can increase the cost of manufacture as well as introduce the possibility of mechanical malfunction.
- ‘Double-ended’ toothbrushes having a cleaning head at each end of a longitudinal handle are also known. Because the brush heads are used asynchronously and independently of each other, they may include two different types of cleaning heads. In some cases, the cleaning heads are complementary or mirror images of each other, while in others, they can be different in shape or function. The longitudinal configuration of such toothbrushes requires the user to interrupt the cleaning process when changing from one brush head to the other. Unless the user has the manual dexterity required to reverse the orientation of the toothbrush using only one hand, it may be necessary to lay the toothbrush down and pick it up in a different position, or transfer the toothbrush to the other hand and then retrieve it in a different position. When using the second brush head, the first brush head, having just been used, can be wet and dripping with toothpaste or water. In addition, the cleaning head not being used may occupy a position uncomfortably close to the use's hand or forearm.
- The gripping portion of the handle of a monoaxial two-headed toothbrush is typically longitudinally symmetrical, since the toothbrush can be capable of being grasped by the user with the brush heads facing in either of two opposing directions. Therefore, it can be difficult to incorporate certain ergonomic principles in the gripping portion of the handle. For example, it may be difficult to include features such as a hilt, a pommel, or finger grooving in the gripping portion of the handle. In the case of an adult, it is recommended that the length of the gripping portion of the handle of a hand-held implement range between four and six inches and that the diameter range from about 1.5 to 2.0 inches (3.81 to 5.08 cm). As a practical matter, it may be difficult to provide a monoaxial two-headed toothbrush with such optimal handle dimensions.
- The multi-headed cleaning apparatus of U.S. Pat. No. 6,588,956 B1, to Gennuso, Jr., can be used for cleaning broad surfaces and for 360-degree cleaning around protrusions. It can include a pivot structure at the end of an elongate handle, the pivot structure having a circular cleaning pad attached to it, and a plurality of arms extending from the pivot structure, with each arm end having a circular cleaning pad. The center-cleaning pad is rotatably attached to the pivot structure and the other cleaning pads are pivotally attached to the arms in order to conform to the shape of the surface being cleaned. In one or more embodiments, the handle is hollow and water under pressure can be delivered to the cleaning pads. It appears that the entirety of the apparatus is intended to be used at the same time.
- Additional advantages and novel features will be set forth in the description that follows or may be learned by those skilled in the art through reading these materials or practicing the examples disclosed herein.
- According to an aspect of the present disclosure a two-headed cleaning apparatus can include a handle including a first handle portion and first and second necks, each neck including a first neck end and an opposing second neck end, wherein the second neck end of both necks is coupled to the first handle portion and a longitudinal axis of the first neck forms an angle of between about 30 degrees and about 100 degrees with a longitudinal axis of the apparatus on a first lateral side of the apparatus, and a longitudinal axis of the second neck forms an angle of between about 30 degrees and about 100 degrees with the longitudinal axis of the apparatus on an opposing second lateral side thereof. The apparatus can also include first and second individual cleaning heads each coupled to the first neck end of the first and second necks, respectively, wherein the cleaning heads each have a proximal portion closest to the first neck end and an opposing distal portion farthest therefrom, wherein the coupling is between the first neck end and the proximal portion of the cleaning head, and wherein each cleaning head has an upper side facing in a substantially same direction as an upper side of the cleaning apparatus and an opposing lower side, and a lower side of each cleaning head includes cleaning tools coupled thereto.
- According to another aspect of the present disclosure, a method of manufacturing a two-headed cleaning apparatus is described, the method comprising the steps of providing a handle having a first handle portion, providing first and second necks each having a first neck end and an opposing second neck end, and coupling the second end of both necks to the first handle portion in such a way that a longitudinal axis of a first neck forms an angle of between about 30 degrees and about 100 degrees with a longitudinal axis of the apparatus on a first lateral side thereof and a longitudinal axis of a second neck forms an angle of between about 30 degrees and about 100 degrees with the longitudinal axis of the apparatus on an opposing lateral side thereof. The method can also include providing two cleaning heads each having a first upper surface and a second opposing lower surface and attaching cleaning tools to the opposing lower surface of at least one of the cleaning heads and coupling a first cleaning head to the first neck end of the first neck and coupling a second cleaning head to the first neck end of the second neck.
- The accompanying drawings illustrate various embodiments of the present disclosure and are part of the specification. The illustrated embodiments are merely examples and are not intended to be limiting.
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FIG. 1 depicts a front view diagram of an example of a two-headed cleaning apparatus. -
FIG. 2 is a side view diagram of an example of a two-headed cleaning apparatus. -
FIG. 3 is a side view diagram of an example of a two-headed cleaning apparatus. -
FIGS. 4A-C are front view diagrams of examples of two-headed cleaning apparatuses. -
FIGS. 5A-D are partial front view diagrams of examples of two-headed cleaning apparatuses. -
FIGS. 6A-B are side view diagrams of examples of two-headed cleaning apparatuses. -
FIG. 7 is a top view diagram of an example of a two-headed cleaning apparatus. -
FIGS. 8A-C are partial top view diagrams of examples of two-headed cleaning apparatuses (view of the necks omitted). -
FIG. 9 is a partial side view diagram of an example of a handle. - In the following description, reference is made to the accompanying drawings that form a part hereof, and in which are shown by way of illustration specific embodiments that can be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the present disclosure, and it is to be understood that other embodiments can be utilized and that structural, logical and electrical changes can be made without departing from the scope of the present disclosure. The following description of example embodiments is, therefore, not to be taken in a limited sense, and the scope of the present disclosure is defined by the appended claims.
- Disclosed generally herein are two-headed cleaning apparatuses that can be generally Y-shaped. One or more cleaning apparatuses can include a handle and two necks extending therefrom. The two necks can extend from a same portion of the handle on opposing lateral sides of the longitudinal axis of the apparatus. The angle formed by the longitudinal axis of an individual neck and the longitudinal axis of the cleaning apparatus handle can range between about 30 degrees and about 100 degrees. Both necks can include a cleaning head coupled to their distal end. The cleaning heads can include cleaning tools affixed to a side thereof. The cleaning apparatus can be substantially laterally symmetrical. The cleaning apparatus can alternatively be laterally asymmetrical. The cleaning apparatus can have a backside opposing the cleaning tools, a front side opposing the backside, a longitudinal plane, a transverse plane, and a vertical plane perpendicular to the transverse axis and collinear with the longitudinal axis.
-
FIG. 1 shows a front view diagram of an example of a two-headedcleaning apparatus 120. As shown inFIG. 1 , a substantiallyelongate handle 100 has afirst handle portion 101 and asecond handle portion 102. Thehandle 100 can be configured to accommodate a user placing a finger in a space 110 (e.g., a divot or recession) between first neck ends 103A and 103B to help facilitate a user to exercise greater gripping control. The diameter ofhandle 100 is shown as generally constant inFIG. 1 , but handle 100 can optionally include a thickened medial portion, a hilt, a pommel, one or more finger grooves, or any combination thereof. Thehandle 100 can be a variety of lengths. In one or more embodiments, thehandle 100 is long enough for the user to clean surfaces that are beyond the normal reach of the user. In one or more embodiments, thehandle 100 can be non-elongate. Suchnon-elongate handles 100 can be configured for the needs of specialized populations, such as the physically disabled or elderly, among others. The configuration of theapparatus 120 can permit a user to grasp a proximal portion of eitherneck 104A-B (the portion nearneck end handle 100, to increase the user's control over theapparatus 120. Such a configuration can help the user control theneck head handle 100 can include one or more apertures, divots, or recessions configured to receive one or more of the user's fingers or the thumb. In one or more embodiments, the configuration of thehandle 100 may resemble a pistol grip. In one or more embodiments, thehandle 100 is configured to reduce the degree of radial and/or ulnar rotation of the user's wrist. In one or more embodiments, theapparatus 100 may include an extension that extends to reach the forearm of the user, the extension configured to contact the forearm of the user and increase the ease of controlling the movement and manipulation of theapparatus 120. In one or more embodiments, theapparatus 120 includes twonecks 104A-B that are joined at an end of thenecks 104A-B, such as shown inFIG. 1 . Thenecks 104A-B can be configured to be replaceable, such as by including a screw on either theneck handle 100 orneck - First and
second necks second handle portion 102. The longitudinal axes ofnecks apparatus 120. In one or more embodiments, the angles formed with the longitudinal axis of theapparatus 120 by the two necks are non-identical. In one or more embodiments, the cross-section of aneck neck neck neck neck neck neck handle 100 and facing the axis, and the lateral portion is defined as the side portion of theneck handle 100 and opposing the medial side portion. Aneck apparatus 120. Theapparatus 120 can include aneck neck neck - The cleaning
head FIG. 1 . The cleaning heads 106A or 106B can have a proximal portion that is defined herein as a portion closest to a coupling with theneck end neck end cleaning head distal portions 108A-B of the cleaning heads 106A-B. A longitudinal plane of thecleaning head cleaning head head neck - The cleaning
head neck cleaning head cleaning head head neck head head neck cleaning head neck head apparatus 120 or thehandle 100. The cleaninghead cleaning head -
FIG. 2 shows an example of a cleaning apparatus, such as thecleaning apparatus 120 shown inFIG. 1 . Thecleaning apparatus 120 can include onemore cleaning tools 109A-B extending from a lower side of cleaning heads 106A-B. Thecleaning tools 109A-B can be made of one or more materials, such as sponges, wires, lambs' wool, steel wool, abrasive materials, pads, bristles (e.g., natural or synthetic, hair, fibers, filaments, or any combination thereof), or any combination thereof, among others. The material(s) of eachcleaning tool cleaning tool cleaning tool 109A of onecleaning head 106A or parts thereof may be stiffer or more flexible than thecleaning tool 109B. The profile of the portion(s) ofcleaning tool 109B that contact surfaces can be substantially the same as, or different from that ofcleaning tool 109A. Thecleaning tools 109A-B can be of uniform or variable length. Thecleaning tools 109A-B can be configured for cleaning the tongue; alternatively, the cleaninghead 106A-B can be shaped to be a tongue cleaner. -
FIG. 3 shows an example of anapparatus 120 in which thelongitudinal plane 324 of one or bothnecks 104A-B forms an interior obtuse angle with thelongitudinal plane 322 of theapparatus 120 on a side of theapparatus plane 322 opposite that of the cleaning tools. When theapparatus 120 is configured as a toothbrush, this configuration can offer the user increased flexibility in cleaning the oral cavity by making it easier to reach certain areas of the oral cavity. Thelongitudinal plane 324 of theneck 104A can form an angle of a degree with thelongitudinal plane 322 of the apparatus that is different from the angle formed between the longitudinal plane of theneck 104B and thelongitudinal plane 324 of theapparatus 120. -
FIGS. 4A-C are perspective views that show examples ofnecks 104 with curves relative to thelongitudinal plane 324 of theneck 104, as well as thelongitudinal plane 322 of theapparatus 120. These curves may include curves that are convex, concave, or a combination thereof relative to thelongitudinal plane 324 of the neck. Thenecks 104 can include a compound planar curve, such as a compound curve wherein a proximal portion is convex to thelongitudinal plane 324 of the neck and a distal portion is concave thereto. Thenecks 104 can include a compound curve wherein a proximal portion of the curve is concave to theplane 324 of theneck 104 and a distal portion is convex to theplane 324 of theneck 104. One or bothnecks 104A-B can have any of the curves described above, with the curves relative to thelongitudinal plane 322 of theapparatus 120. Thenecks 104A-B may be substantially coplanar with the apparatus and have any of the aforementioned curves relative to theplane 324. When thecleaning apparatus 120 is a toothbrush, these features may substantially improve the ease of cleaning some teeth, such as the posterior teeth. -
FIGS. 5A-D show back views of examples of theapparatus 120 that can include one or more cleaning heads 106A-B whose longitudinal axis creates an angle with the longitudinal axis of theneck 104A-B, or with just a distal portion thereof.FIG. 5A shows cleaning heads 106A-B with alongitudinal axis 526 that forms an interior obtuse angle with thelongitudinal axis 324 of the neck.FIG. 5B shows thelongitudinal axis 526 of one or more cleaning heads 106A-B forming an interior angle of about 90 degrees with thelongitudinal axis 324 of theneck 104.FIG. 5C shows cleaning heads 106-B with the longitudinalcleaning head axis 526 set at a substantially perpendicular angle to thelongitudinal axis 324 of theneck 104.FIG. 5C depicts cleaning heads 106A-B forming an angle of about 90 degrees with the neck ends (indicated by dashed lines) at or near alongitudinal cleaning head 106A-B midpoint.FIG. 5D depicts cleaning heads 106A-B with the longitudinalcleaning head axis 526 forming an angle that is substantially perpendicular to thelongitudinal axis 322 of theapparatus 120. The cleaninghead 106 may be joined to theneck 104 at any location along the cleaninghead 106, that is, at a cleaning head midpoint or elsewhere. The relationship of thecleaning head 106 longitudinal axes to the longitudinal axis of theneck 104 thecleaning head 106 is coupled to, does not have to be the same for each cleaninghead 106. For example, the cleaninghead 106A can be coupled to theneck 106A in the orientation as shown inFIG. 5A and thecleaning head 106B can be coupled to theneck 106B in the orientation as shown inFIG. 5B . While the cleaning heads 106A-B depicted are substantially elongate, the same configurations may be incorporated in embodiments of the apparatus that comprise non-elongate cleaning heads. The shape of thecleaning head 106 can be that of an oval or other shape that does not have corners. In addition to the configurations illustrated, the cleaning heads 106 can be coupled to form a variety of angles with theindividual neck element 104 that are not depicted in the FIGS. -
FIGS. 6A-B show an embodiment ofapparatus 120 that can include one or both cleaning heads 106A-B whose longitudinal planes form an interior obtuse angle with the longitudinal plane ofnecks 104A-B or with a distal portion thereof. In one embodiment, one or both cleaning heads are canted in the direction of the front of the apparatus. In another embodiment, they are canted in the direction of the back of the apparatus. In yet another embodiment, one cleaning head is canted in a first direction relative to the longitudinal plane of the neck element to which it is coupled and a second cleaning head is canted in a second (e.g., opposing) direction relative to the longitudinal plane of the neck element to which it is coupled. Such canted cleaning heads may make it easier to reach various surfaces to be cleaned. -
FIG. 7 shows an example of anapparatus 120 wherein the transverse plane of both cleaning heads 106A-B is tilted in the direction of a vertical apparatus plane that is collinear with the longitudinal axis of theapparatus 120, such that the transverse plane of the cleaning heads 106A-B forms an interior acute angle with the vertical apparatus plane. In one or more embodiments, only onecleaning head cleaning head 106 can be tilted such that its lateral plane forms an interior acute angle with the vertical apparatus plane, wherein the vertex of the angle is on the upper side of the apparatus. Such configurations can be useful as a toothbrush in cleaning the buccal and lingual surfaces of the posterior teeth. -
FIGS. 8A-C are top views of examples of theapparatus 120 with the neck omitted from view.FIG. 8A shows an embodiment of theapparatus 120 that can include cleaning heads 106A-B that have curves, wherein afirst cleaning head 106A and itscleaning tools 109A have a curve that is substantially concave to thelongitudinal plane 526 of thecleaning head 106A and asecond cleaning head 106B and itscleaning tools 109B have a curve that can be substantially convex to thelongitudinal plane 526 of thecleaning head 106B. In the example shown inFIG. 8A , both cleaning heads 106A-B face in a same direction. When theapparatus 120 is used as a toothbrush,cleaning tools 109 with a concave curve may facilitate the cleaning of the buccal surfaces, such as the anterior buccal surfaces; andcleaning tools 109 having a convex curve may facilitate the cleaning of the lingual surfaces, particularly the anterior lingual surfaces. -
FIG. 8B depicts an embodiment of theapparatus 120 wherein the profile of thecleaning tools 109A of afirst cleaning head 106A forms a curve substantially concave to thelongitudinal plane 526 of thecleaning head 106A and the profile of thecleaning tools 109B of asecond cleaning head 106B have a curve substantially convex to thelongitudinal plane 526 of thecleaning head 106B. In the example shown inFIG. 8B both cleaning heads 106A-B face in the same direction. -
FIG. 8C shows an example of theapparatus 120 that includes afirst cleaning head 106A facing in a first direction relative to the transverse plane of theapparatus 120 and asecond cleaning head 106B facing in an opposite direction. When theapparatus 120 in this configuration is used as a toothbrush, it can offer convenience in brushing buccal surfaces, and lingual surfaces, in turn, without the user having to change his grip on the apparatus. - Features of the configurations shown in
FIGS. 8A-C can be combined. For example, anapparatus 120 can includecleaning tools 109A-B that can face in opposite directions withcleaning tools 109A having a concave profile andcleaning tools 109B having a convex profile. -
FIG. 9 shows an example of afirst handle end 928 of anapparatus 120. The apparatus can have a substantiallyelongate handle 100, wherein the plane of thefirst handle end 928 can be substantially flat and the angle of the plane can be such that theapparatus 120 can be stood erect. In an example of an apparatus with anon-elongate handle 100, the portion of the handle farthest from the necks may have a flat portion the angle of whose plane permits the apparatus to be stood erect. A portion of thehandle 100 or other portion of theapparatus 120 can include one or more surface portions configured to bear an inscription such as a logo, emblem, seal, or one or more words. - The
handle 100 can be substantially short so as to permit a user to grasp thehandle 100 in the volar surface (e.g., palm) of the use's hand. Such an implementation can include ahandle 100 that is about an inch shorter than the normal handle length. The end of thehandle 100 opposing the end of the apparatus that includes the cleaning heads 106 can be rounded or blunt so that thehandle 100 does not hurt a user when using the apparatus in this manner. Such a configuration can increase the maximum power that can be exerted, such as without any loss of precision. Such a configuration can work synergistically with a user looping a finger over the intersection of two necks. - Due to the configuration of the cleaning
apparatuses 120 disclosed herein, it may not be immediately apparent how to efficiently use theapparatus 120. In the case of an embodiment having cleaning heads 106A-B, or the contour ofcleaning tools 109A-B, whose profiles have a curve or are complementary in shape, it can be appreciated that onecleaning head 106A orcorresponding cleaning tools 109A can be comparatively more suitable for cleaning concave surfaces and theother cleaning head 106B orcorresponding cleaning tools 109B can be comparatively better suited for cleaning convex surfaces. - When the
apparatus 120 is used as a toothbrush, a user, according to the preference of the user, may employ one of several cleaning protocols. In the protocols described herein, the cleaning heads 106A-B are labeled according to their orientation when the toothbrush is configured with both cleaning heads 106A-B facing the user and canted in a same direction relative to the transverse plane of theapparatus 120. In one brushing protocol, eight quadrants of the teeth (upper, lower, left and right buccal and lingual) can be cleaned without the user having to reverse the direction the cleaning tools face. The first part of the protocol may be as follows: - Upper left quadrant, buccal: left cleaning head
- Lower left quadrant, buccal: left cleaning head
- Upper right quadrant, lingual: left cleaning head
- Lower right quadrant, lingual: right cleaning head
- The second part of the protocol may be as follows:
- Upper right quadrant, buccal: right cleaning head
- Lower right quadrant, buccal: right cleaning head
- Upper left quadrant, lingual: right cleaning head
- Lower left quadrant, lingual: left cleaning head
- A user may prefer to begin with the second part of the protocol.
- In another protocol, the cleaning heads 106A-B can be used in sequence, that is, one at a time, again without the user having to change the direction of the
cleaning head 106A-B. In the protocol below, the left cleaning head is used first; however, the user may begin with either cleaning head. - Upper left quadrant, buccal left cleaning head
- Lower left quadrant, buccal left cleaning head
- Lower right quadrant, lingual left cleaning head
- Upper left quadrant, lingual left cleaning head
- Upper right quadrant, buccal right cleaning head
- Lower right quadrant, buccal right cleaning head
- Lower left quadrant, lingual right cleaning head
- Upper right quadrant, lingual right cleaning head
- In a third protocol, the orientation of the toothbrush can be changed one time. Either the buccal quadrants or the lingual quadrants are cleaned first, followed by the other quadrants. In the following example, the user can begin with the buccal quadrants, using one of the following two alternative sequences:
- (Alternative A)
- Upper left quadrant, buccal: left cleaning head
- Upper right quadrant, buccal: right cleaning head
- Lower left quadrant, buccal: left cleaning head
- Lower right quadrant, buccal: right cleaning head
- (Alternative B)
- Upper left quadrant, buccal: left cleaning head
- Lower left quadrant, buccal: left cleaning head
- Upper right quadrant, buccal: right cleaning head
- Lower right quadrant, buccal: right cleaning head
- Following this, the other quadrants are cleaned (in this example, the other quadrants are the lingual quadrants). It is at this point that the orientation of the toothbrush from the perspective of the user is changed by reversing the direction it faces from the viewpoint of the user. Either of the two following protocols may be employed for cleaning the lingual dental surfaces:
- (Alternative A)
- Upper left quadrant, lingual: right cleaning head
- Upper right quadrant, lingual: left cleaning head
- Lower left quadrant, lingual: right cleaning head
- Lower right quadrant, lingual: left cleaning head
- (Alternative B)
- Upper left quadrant, lingual: right cleaning head
- Lower left quadrant, lingual: right cleaning head
- Upper right quadrant, lingual: left cleaning head
- Lower right quadrant, lingual: left cleaning head
- Other protocols are also possible inasmuch as the
apparatus 120 allows a user to employ any type of variation of any of the protocols mentioned above. For example, the user may begin by cleaning the lingual surfaces rather than the buccal surfaces. Personal or individual preferences, or other factors, can lead to other brushing protocols being employed. - In Example 1, a two-headed cleaning apparatus can include a handle including a first handle portion and first and second necks, each neck including a first neck end and an opposing second neck end, wherein the second neck end of both necks is coupled to the first handle portion and the longitudinal axis of a first neck forms an angle of between about 30 degrees and about 100 degrees with the longitudinal axis of the apparatus on a first lateral side of the apparatus, and the longitudinal axis of a second neck forms an angle of between about 30 degrees and about 100 degrees with the longitudinal axis of the apparatus on an opposing lateral side thereof
- In Example 2, the apparatus of Example 1 can include first and second individual cleaning heads each coupled to the first neck end of the first and second necks, respectively, wherein the cleaning heads each have a proximal portion closest to the first neck end and an opposing distal portion farthest therefrom and the coupling is between the first neck end and the proximal portion of the cleaning head, and wherein each cleaning head has an upper side facing in a substantially same direction as the upper side of the cleaning apparatus and an opposing lower side, and the lower side of each cleaning head includes cleaning tools coupled thereto.
- In Example 3, at least one first neck end of at least one of Examples 1-2 can be coupled to a cleaning head at a location between the portion of the cleaning head closest to the longitudinal axis of the apparatus and the portion of the cleaning head farthest from the longitudinal axis of the apparatus.
- In Example 4, the longitudinal axis of at least one cleaning head of at least one of Examples 1-3 forms an angle of less than 180 degrees with the distal portion of the neck to which it is coupled on the lateral side of the neck.
- In Example 5, the longitudinal axis of at least one cleaning head of at least one of Examples 1-4 forms an angle of less than 180 degrees with the distal portion of the neck to which it is coupled on the medial side of the neck.
- In Example 6, the longitudinal plane of at least one cleaning head of at least one of Examples 1-5 can be non-coplanar with the longitudinal plane of a distal portion of the neck to which the cleaning head is coupled.
- In Example 7, the transverse plane of at least one cleaning head of at least one of Examples 1-6 is non-coplanar with a transverse plane of the apparatus.
- In Example 8, the at least one cleaning head of at least one of Examples 1-7 includes at least one curve.
- In Example 9, a profile of the cleaning tools of at least one cleaning head of at least one of Examples 1-8 includes at least one curve.
- In Example 10, a first cleaning head of the at least one cleaning head of at least one of Examples 1-9 faces in a first direction relative to the transverse plane of the cleaning apparatus and a second cleaning head faces in an opposing direction.
- In Example 11, a longitudinal plane of at least one neck of at least one of Examples 1-10 can be canted in a same direction as the upper side of the apparatus and forms an interior obtuse angle with the longitudinal plane of the apparatus on the upper side of the apparatus.
- In Example 12, at least one neck of at least one of Examples 1-11 includes at least one curve.
- In Example 13, the cleaning tools of at least one of Examples 1-12 are made of at least one material chosen from the group including a sponge, a wire, lambs' wool, steel wool, an abrasive material, a pad, bristles, or a combination thereof
- In Example 14, the apparatus of at least one of Examples 1-13 can be configured as a toothbrush.
- In Example 15, the apparatus of at least one of Examples 1-13 can be configured as a bath or shower brush.
- In Example 16, a portion of the handle farthest from the second neck end of at least one of Examples 1-15 can be substantially flat and the plane of the aforesaid portion of the handle is such that the apparatus can be stood erect.
- In Example 17, the handle of at least one of Examples 1-16 includes a portion suitable for inscription of an image or lettering.
- In Example 18, a method can include providing a handle having a first handle portion, providing two generally elongate necks each having a first neck end and an opposing second neck end, and coupling the second end of both necks to the first handle portion in such a way that the longitudinal axis of a first neck forms an angle of between about 30 degrees and about 100 degrees with the longitudinal axis of the apparatus on a first lateral side thereof and the longitudinal axis of a second neck forms an angle of between about 30 degrees and about 100 degrees with the longitudinal axis of the apparatus on an opposing lateral side thereof
- In Example 19, the method of Example 18 can include providing two cleaning heads each having a first upper surface and a second opposing lower surface and attaching cleaning tools to at least the opposing lower surface of at least one of the cleaning heads and coupling a first cleaning head to the first neck end of a first neck and coupling a second cleaning head to the first neck end of a second neck.
- In Example 20, the method of at least one of Examples 18-19 is a method for manufacturing an apparatus configured as a toothbrush.
- In Example 21, a two-headed toothbrush can include a handle including a first handle portion and first and second necks, each neck including a first neck end and an opposing second neck end, wherein the second neck end of both necks is coupled to the first handle portion and the longitudinal axis of the first neck forms an angle of between about 30 degrees and about 100 degrees with a longitudinal axis of the toothbrush on a first lateral side of the toothbrush and the longitudinal axis of a second neck forms an angle of between about 30 degrees and about 100 degrees with the longitudinal axis of the toothbrush on an opposing lateral side of the toothbrush.
- In Example 22, the two-headed toothbrush of at least one of Examples 1-21 can include first and second individual cleaning heads each having a proximal portion closest to the first neck end and an opposing distal portion, each cleaning head having an upper side facing in a substantially same direction as the upper side of the toothbrush and an opposing lower side, a longitudinal axis that intersects the proximal and the distal portions of the cleaning head, and at least the lower side of at least one cleaning head includes cleaning tools coupled thereto, wherein each of the cleaning heads is coupled to one of the necks at the first neck end and the cleaning head proximal portion.
- In Example 23, one or more of the necks of at least one of Examples 1-22 is non-straight, non-coplanar, or non-coaxial, or any combination of the foregoing, with a longitudinal axis of the toothbrush.
- The above detailed description comprises references to the accompanying drawings, which form a part of the detailed description. The drawings show, by way of illustration, specific embodiments in which the invention can be practiced. These embodiments are also referred to herein as“examples” Such examples can comprise elements in addition to those shown or described. However, the present inventor also contemplates examples in which only those elements shown or described are provided. Moreover, the present inventors—also contemplates examples using any combination or permutation of those elements shown or described (or one or more aspects thereof), either with respect to a particular example (or one or more aspects thereof), or with respect to other examples (or one or more aspects thereof) shown or described herein.
- In this document, the terms “a” or “an” are used, as is common in patent documents, to denote one or more than one, independent of any other instances or usages of “at least one” or “one or more.” In this document, the term “or” is used to refer to a nonexclusive “or,” such that “A or B” comprises “A but not B,” “B but not A,” and “A and B,” unless otherwise indicated. In this document, the terms “comprising” and “in which” are used as the plain English equivalents of the respective terms “comprising” and “wherein.” Also, in the following claims, the terms “comprising” and “wherein” are open-ended, that is, a system, device, article, composition, formulation, or process that comprises elements in addition to those listed after such a term in a claim are still deemed to fall within the scope of that claim. Moreover, in the following claims, the terms “first,” “second,” and “third,” etc. are used merely as labels, and are not intended to impose numerical requirements on their objects.
- Method examples described herein can be machine or computer-implemented at least in part. Some examples can comprise a computer-readable medium or machine-readable medium encoded with instructions operable to configure an electronic device to perform methods as described in the above examples. An implementation of such methods can comprise code, such as microcode, assembly language code, a higher-level language code, or the like. Such code can comprise computer readable instructions for performing various methods. The code can form portions of computer program products. Further, in an example, the code can be tangibly stored on one or more volatile, non-transitory, or non-volatile tangible computer-readable media, such as during execution or at other times. Examples of these tangible computer-readable media can comprise, but are not limited to, hard disks, removable magnetic disks, removable optical disks (e.g., compact disks and digital video disks), magnetic cassettes, memory cards or sticks, random access memories (RAMs), read only memories (ROMs), and the like.
- The above description is intended to be illustrative, and not restrictive. For example, the above-described examples (or one or more aspects thereof) can be used in combination with each other. Other embodiments can be taught, such as to one of ordinary skill in the art upon reviewing the above description. The Abstract is provided to comply with 37 C.F.R. §1.72(b), to allow the reader to quickly ascertain the nature of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. Also, in the above Detailed Description, various features can be grouped together to streamline the disclosure. This should not be interpreted as intending that an unclaimed disclosed feature is essential to any claim. Rather, inventive subject matter can lie in less than all features of a particular disclosed embodiment. Thus, the following claims are hereby incorporated into the Detailed Description as examples or embodiments, with each claim standing on its own as a separate embodiment, and it is contemplated that such embodiments can be combined with each other in various combinations or permutations. The scope of the invention should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.
Claims (22)
1. A two-headed cleaning apparatus comprising:
a handle including a first handle portion;
first and second necks, each neck including a first neck end and an opposing second neck end, wherein the second neck end of both necks is coupled to the first handle portion and a longitudinal axis of the first neck forms an angle of between about 30 degrees and about 100 degrees with a longitudinal axis of the apparatus on a first lateral side of the apparatus, and a longitudinal axis of the second neck forms an angle of between about 30 degrees and about 100 degrees with the longitudinal axis of the apparatus on an opposing second lateral side thereof; and
first and second individual cleaning heads coupled to the first neck end of the first and second necks, respectively, wherein the cleaning heads each have a proximal portion closest to the first neck end and an opposing distal portion farthest therefrom, wherein the coupling is between the first neck end and the proximal portion of the cleaning head, and wherein each cleaning head has a front side and an opposing back side, and the front side of each cleaning head includes cleaning tools coupled thereto, wherein the front sides of the cleaning heads are configured in a non-opposing relationship.
2. The apparatus of claim 1 , wherein at least one first neck end is coupled to a cleaning head at a location between the portion of the cleaning head closest to the longitudinal axis of the apparatus and the portion of the cleaning head farthest from the longitudinal axis of the apparatus.
3. The apparatus of claim 1 , wherein a longitudinal axis of at least one cleaning head forms an angle of less than 180 degrees with a distal portion of the neck to which it is coupled on a lateral side of the neck.
4. The apparatus of claim 1 , wherein a longitudinal axis of at least one cleaning head forms an angle of less than 180 degrees with a distal portion of the neck to which it is coupled on a medial side of the neck.
5. The apparatus of claim 1 , wherein a longitudinal plane of at least one cleaning head is non-coplanar with a longitudinal plane of a distal portion of the neck to which the cleaning head is coupled.
6. The apparatus of claim 1 , wherein a transverse plane of at least one cleaning head is non-coplanar with a transverse plane of the apparatus.
7. The apparatus of claim 1 , wherein a profile of at least one cleaning head or cleaning tool includes at least one curve.
8. (canceled)
9. The apparatus of claim 1 , wherein the first cleaning head faces in a first direction relative to a transverse plane of the cleaning apparatus and the second cleaning head faces in an opposing direction.
10. The apparatus of claim 1 , wherein a longitudinal plane of at least one neck is canted in a same direction as an upper side of the apparatus and forms an interior obtuse angle with a longitudinal plane of the apparatus on the upper side of the apparatus.
11. The apparatus of claim 1 , wherein a profile of at least one of the first and second necks includes at least one curve.
12. The apparatus of claim 1 , wherein the cleaning tools include at least one material chosen from the group including sponge, wire, lambs' wool, steel wool, an abrasive material, pad, bristles, or a combination thereof.
13. The apparatus of claim 1 , wherein the apparatus is configured as one of a toothbrush, a bath brush or a shower brush.
14. (canceled)
15. The apparatus of claim 1 , wherein a portion of the handle farthest from the second neck end is substantially flat and such that the apparatus can be stood erect on that portion of the handle.
16. The apparatus of claim 1 , wherein the handle includes a portion configured to accommodate an inscription of an image or lettering.
17. A method of manufacturing a two-headed cleaning apparatus, the method comprising the steps of:
providing a handle having a first handle portion;
providing first and second necks each having a first neck end and an opposing second neck end;
coupling the second end of both necks to the first handle portion in such a way that a longitudinal axis of a first neck forms an angle of between about 30 degrees and about 100 degrees with a longitudinal axis of the apparatus on a first lateral side thereof and a longitudinal axis of a second neck forms an angle of between about 30 degrees and about 100 degrees with the longitudinal axis of the apparatus on an opposing lateral side thereof;
providing two cleaning heads each having a front surface and an opposing back surface wherein the front surfaces of the cleaning heads are configured in a non-opposing relationship and attaching cleaning tools to the opposing back surface of at least one of the cleaning heads; and
coupling a first cleaning head to the first neck end of the first neck and coupling a second cleaning head to the first neck end of the second neck.
18. The method recited in claim 17 , wherein the method is a method for manufacturing an apparatus configured as a toothbrush.
19. A two-headed toothbrush comprising:
a handle including a first handle portion;
first and second necks, each neck including a first neck end and an opposing second neck end, wherein the second neck end of both necks is coupled to the first handle portion and a longitudinal axis of the first neck forms an angle of between about 30 degrees and about 100 degrees with a longitudinal axis of the toothbrush on a first lateral side of the toothbrush and a longitudinal axis of a second neck forms an angle of between about 30 degrees and about 100 degrees with the longitudinal axis of the toothbrush on an opposing lateral side of the toothbrush; and
first and second individual cleaning heads each having a proximal portion closest to the first neck end and an opposing distal portion farther from the first neck end, each cleaning head having a front side facing in a substantially same direction as a front side of the toothbrush and an opposing back side, and at least the front side of at least one cleaning head includes cleaning tools coupled thereto, wherein each of the cleaning heads is coupled to one of the necks at the first neck end, wherein the front sides of the cleaning heads are configured in a non-opposing relationship.
20. The toothbrush of claim 19 , wherein one or more of the necks of the toothbrush is non-straight, non-coplanar, or non-coaxial with the longitudinal axis of the toothbrush.
21. The apparatus of claim 1 , wherein the front sides of the cleaning heads are configured in a non-adjacent relationship.
22. The apparatus of claim 17 , further comprising configuring the front sides of the cleaning heads in a non-adjacent relationship.
Priority Applications (1)
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US13/898,627 US20140345072A1 (en) | 2013-05-21 | 2013-05-21 | Y-Shaped Cleaning Apparatus |
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US13/898,627 US20140345072A1 (en) | 2013-05-21 | 2013-05-21 | Y-Shaped Cleaning Apparatus |
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---|---|---|---|---|
ITUA20163848A1 (en) * | 2016-05-27 | 2017-11-27 | Michele Ignomeriello | "Two-head toothbrush for cleaning teeth" |
US9974417B1 (en) * | 2017-07-27 | 2018-05-22 | Rodney Harris | Device for aiding in bathing |
WO2019022793A1 (en) * | 2017-07-27 | 2019-01-31 | Rodney Harris | Device for aiding in bathing |
US20190246763A1 (en) * | 2018-02-12 | 2019-08-15 | Madison Reed, Inc. | Highlight Applicator |
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