CA2728676C - Oral hygiene device with floss storage capability - Google Patents
Oral hygiene device with floss storage capability Download PDFInfo
- Publication number
- CA2728676C CA2728676C CA2728676A CA2728676A CA2728676C CA 2728676 C CA2728676 C CA 2728676C CA 2728676 A CA2728676 A CA 2728676A CA 2728676 A CA2728676 A CA 2728676A CA 2728676 C CA2728676 C CA 2728676C
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- CA
- Canada
- Prior art keywords
- handle
- head
- floss
- toothbrush
- supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 241000628997 Flos Species 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 description 10
- 230000008901 benefit Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 230000000295 complement effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007407 health benefit Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- -1 poly(tetrafluoroethylene) Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B15/00—Other brushes; Brushes with additional arrangements
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B5/00—Brush bodies; Handles integral with brushware
- A46B5/0095—Removable or interchangeable brush heads
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B15/00—Other brushes; Brushes with additional arrangements
- A46B15/0055—Brushes combined with other articles normally separate from the brushing process, e.g. combs, razors, mirrors
- A46B15/0069—Brushes fitted with a interdental devices, e.g. toothpick
- A46B15/0071—Toothbrushes with flossing arrangements
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B15/00—Other brushes; Brushes with additional arrangements
- A46B15/0055—Brushes combined with other articles normally separate from the brushing process, e.g. combs, razors, mirrors
- A46B15/0069—Brushes fitted with a interdental devices, e.g. toothpick
- A46B15/0073—Brushes with an arrangement for using the floss
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B5/00—Brush bodies; Handles integral with brushware
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C15/00—Devices for cleaning between the teeth
- A61C15/04—Dental floss; Floss holders
- A61C15/043—Containers, dispensers, or the like, e.g. with cutting means
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/10—For human or animal care
- A46B2200/1066—Toothbrush for cleaning the teeth or dentures
Abstract
An oral hygiene device (100) is provided having a head (20) and a handle (30).
The handle (30) is configured to accommodate a user's hand grip when the head (20) is inserted into a user's mouth. The head is further configured to accommo-date, at a distal end of the handle (30), a proximal end (22) of the head (20). One of the head (20) and the handle (30) is provided with a cavity (50) configured to receive a supply of floss (60). The cavity (50) becomes accessible when the head (20) and the handle (30) are at least partially detached from one another.
The handle (30) is configured to accommodate a user's hand grip when the head (20) is inserted into a user's mouth. The head is further configured to accommo-date, at a distal end of the handle (30), a proximal end (22) of the head (20). One of the head (20) and the handle (30) is provided with a cavity (50) configured to receive a supply of floss (60). The cavity (50) becomes accessible when the head (20) and the handle (30) are at least partially detached from one another.
Description
ORAL HYGIENE DEVICE WITH FLOSS STORAGE CAPABILITY
BACKGROUND OF THE INVENTION
[01] This invention relates generally to an oral hygiene device configured to store a supply of floss, and in particular, to a oral hygiene device having an engagement interface between a head and a handle, with the supply of floss being accessible from the interface.
BACKGROUND OF THE INVENTION
[01] This invention relates generally to an oral hygiene device configured to store a supply of floss, and in particular, to a oral hygiene device having an engagement interface between a head and a handle, with the supply of floss being accessible from the interface.
[02] Oral hygiene devices, such as toothbrushes, inter-dental devices, gum massagers, tongue scrapers, etc. are known for promoting oral hygiene. The use of floss to provide another level of oral hygiene care is also known. Certain products have combined oral hygiene devices with floss storage capabilities. However, these products are generally cumbersome with respect to a user accessing and using the floss. For example, certain products store a supply of floss in relatively bulky external housings in the grip area of a toothbrush handle, such that the user's grip on the handle of the toothbrush is less than optimal during the toothbrushing process.
Other products store a supply of floss in housings at the base of the toothbrush handle such that accessing the floss requires changing one's grip on the handle. Even further, with some products, water used to the rinse the toothbrush could enter the area where the floss is stored, thereby ruining and contaminating the stored floss.
This negatively impacts the ability of the user to easily rinse the toothbrush.
Other products store a supply of floss in housings at the base of the toothbrush handle such that accessing the floss requires changing one's grip on the handle. Even further, with some products, water used to the rinse the toothbrush could enter the area where the floss is stored, thereby ruining and contaminating the stored floss.
This negatively impacts the ability of the user to easily rinse the toothbrush.
[03] Providing a simple and convenient device for both promoting oral hygiene and flossing and that reduces or overcomes some or all of the difficulties inherent in prior known devices would be desirable. Particular objects and advantages will be apparent to those skilled in the art, that is, those who are knowledgeable or experienced in this field of technology, in view of the following disclosure of the invention and detailed description of certain embodiments.
BRIEF SUMMARY OF THE INVENTION
BRIEF SUMMARY OF THE INVENTION
[04] Certain embodiments of an oral hygiene device, which can provide improved access to a supply of floss and ease of flossing, are described.
[05] In accordance with a first aspect, an oral hygiene device has a head and a handle. The handle is configured to accommodate a user's hand grip when the head is inserted into a user's mouth. The handle is further configured to accommodate, at a distal end of the handle, a proximal end of the head. One of the head and the handle is provided with a cavity configured to receive a supply of floss. The cavity becomes accessible when the head and the handle are at least partially detached from one another.
[06] The oral hygiene device may include a supply of floss received within the cavity. A strand of the supply of floss may be affixed to the handle or the head or to both the handle and the head.
[07] According to another aspect, a method for using an oral hygiene device is provided. The oral hygiene device includes a head for insertion into a user's mouth during an oral hygiene session and a handle for accommodating a hand grip of a user during an oral hygiene session. The method includes at least partially disconnecting the head from the handle at an interface area and accessing a supply of floss from the interface area. The method may further include cutting a portion of the supply of floss from the oral hygiene device.
[08] According to even another aspect, a toothbrush includes a head having bristles and a handle removably engaged to the head at an interface. The handle defines a cavity having an opening at the interface. The cavity is configured to accommodate a supply of floss.
[08a] According to a still further aspect, the invention relates to a toothbrush comprising: a head having bristles extending outwardly; a handle configured to accommodate a user's hand grip when the head is inserted into a user's mouth and configured to accommodate, at a distal end of the handle, a proximal end of the head; a cavity provided in one of the head and the handle; and a supply of floss disposed within the cavity; wherein the cavity becomes accessible when the head and the handle are at least partially detached from one another; wherein one end of a strand of the supply of floss is affixed to the handle and the other end of the strand of the supply of floss is affixed to the head.
[08b] According to a still further aspect, the invention relates to a toothbrush comprising: a head including bristles; and a handle removably engaged to the head at an interface; wherein the handle defines a cavity communicating with an opening at the interface and wherein the cavity accommodates a supply of floss; wherein one end of a strand of the supply of floss is affixed to the handle and the other end of the strand of the supply of floss is affixed to the head.
[08c] According to a still further aspect, the invention relates to a method for using a toothbrush, the toothbrush including a head having bristles extending outwardly for insertion into a user's mouth during an oral hygiene session and a handle for accommodating a hand grip of a user during an oral hygiene session, the method comprising: at least partially disconnecting the head from the handle at an interface; and accessing a supply of floss from the interface; wherein one end of a strand of the supply of floss is affixed to the handle and the other end of the strand of the supply of floss is affixed to the head.
[08a] According to a still further aspect, the invention relates to a toothbrush comprising: a head having bristles extending outwardly; a handle configured to accommodate a user's hand grip when the head is inserted into a user's mouth and configured to accommodate, at a distal end of the handle, a proximal end of the head; a cavity provided in one of the head and the handle; and a supply of floss disposed within the cavity; wherein the cavity becomes accessible when the head and the handle are at least partially detached from one another; wherein one end of a strand of the supply of floss is affixed to the handle and the other end of the strand of the supply of floss is affixed to the head.
[08b] According to a still further aspect, the invention relates to a toothbrush comprising: a head including bristles; and a handle removably engaged to the head at an interface; wherein the handle defines a cavity communicating with an opening at the interface and wherein the cavity accommodates a supply of floss; wherein one end of a strand of the supply of floss is affixed to the handle and the other end of the strand of the supply of floss is affixed to the head.
[08c] According to a still further aspect, the invention relates to a method for using a toothbrush, the toothbrush including a head having bristles extending outwardly for insertion into a user's mouth during an oral hygiene session and a handle for accommodating a hand grip of a user during an oral hygiene session, the method comprising: at least partially disconnecting the head from the handle at an interface; and accessing a supply of floss from the interface; wherein one end of a strand of the supply of floss is affixed to the handle and the other end of the strand of the supply of floss is affixed to the head.
[09] Features and advantages disclosed here will be further understood from the following detailed disclosure of certain embodiments.
BRIEF DESCRIPTION OF THE DRAWINGS
BRIEF DESCRIPTION OF THE DRAWINGS
[10] FIG. 1 is a partial section view of an oral hygiene device, in a first configuration.
[11] FIG. 2 is a partial section view of an oral hygiene device, in a second configuration, according to the embodiment of FIG. 1.
[12] FIG. 3 is a partial section view of another embodiment of an oral hygiene device, in a first configuration.
[13] FIG. 4 is a partial section view of an oral hygiene device, in a second configuration, according to the embodiment of FIG. 3.
2a [14] FIG. 5 is a partial section view of even another embodiment of an oral hygiene device, in a first configuration.
1151 FIG. 6 is a partial section view of an oral hygiene device, in a second configuration, according to the embodiment of FIG. 5.
[16] FIG. 7 is a perspective view of an embodiment of an interface between a head and a handle.
[17] FIG. 8 is a perspective view of an alternative interface between a head and a handle.
[18] FIG. 9 is a perspective view of another alternative interface between a head and a handle.
[19] FIG. 10 is a perspective view of an affixment of a strand of floss to a distal end of a handle.
[20] FIG. 11 is a perspective view of an alternative affixment of a strand of floss to a distal end of a handle.
[21] FIG. 12 is a section view of an embodiment of a distal end portion of a handle of an oral hygiene device.
[22] The figures referred to above are not drawn necessarily to scale and should be understood to provide a representation of an oral hygiene device, illustrative of the principles involved. Some features of the oral hygiene device depicted in the drawings may have been enlarged or distorted relative to others to facilitate explanation and understanding. The same reference numbers are used in the drawings for similar or identical components and features shown in various alternative embodiments. An oral hygiene device as disclosed herein would have configurations and components determined, in part, by the intended application and environment in which they are used.
DETAILED DESCRIPTION OF THE INVENTION
[23] An oral hygiene device may be embodied in various forms. One embodiment of an oral hygiene device 100 is shown in FIG. 1. In the embodiment of FIG. 1, oral hygiene device is a toothbrush 10. Oral hygiene device 100 includes a head 20. Head 20 is configured for insertion into a user's mouth for purposes of oral hygiene. In the embodiment of FIG. 1, head 20 is a toothbrush head. Oral hygiene device further includes a handle 30 having a proximal end 32 and a distal end 34.
[24] Head 20 is engaged to handle 30 at interface 40. Interface 40 is provided below the portion of oral hygiene device 100 that is generally insertable into a user's mouth and above the portion of oral hygiene device 100 that generally provides a hand grip portion during an oral hygiene session. Specifically, interface 40 is provided between the distal end 34 of handle 30 and a proximal end 22 of head 20. As best shown in FIG. 2, head 20 is detachable from handle 30, thereby providing, among other things, the capability of replacing handle 30 or head 20 or of storing oral hygiene device 100 in a compact form.
[25] Oral hygiene device 100 also includes a supply of floss 60. The supply of floss 60 is accessible when the head 20 and the handle 30 are at least partially disconnected.
[26] Handle 30 is configured to accommodate a user's grip during an oral hygiene session. In order to provide sufficient grasping capability, handle 30 will generally be at least approximately 2 inches long. More typically, handle 30 may be from approximately 3 inches to approximately 5 inches long. For disposable or travel oral hygiene devices, it is expected that the handle length would be at the lower end of this range. For example, a disposable toothbrush may have a handle length of from approximately 2.5 inches to approximately 4.0 inches. In this regard, handle 30 may be ergonomically designed to provide improved grip and comfort.
[27] As shown in FIGS. 1 and 2, distal end 34 of handle 30 includes a bore 36 configured for engagement with a shaft 26 at proximal end 22 of head 20. Bore may have any suitable cross section, including, by way of non-limiting examples, circular, square, triangular, oval or even non regular. Shaft 26 of head 20 may have a cross section that complements the cross section of bore 36. Shaft 26 may have a different cross sectional shape than that of bore 36 but still be insertable into bore 36.
[28] Shaft 26 may be slidably or rotatably insertable into bore 36. In one embodiment, shaft 26 may have a slight interference fit with bore 36, such that a slight tug by a user is necessary to detach head 20 from handle 30.
[29] As shown in the embodiment of FIG. 1, handle 30 includes in interior cavity 50. Interior cavity 50 communicates with bore 36 and is configured to receive a supply of floss 60.
[30] In one embodiment, the supply of floss 60 includes a single use strand 62. Such a single use strand 62 would be particularly applicable for a disposable oral hygiene device. The single use strand could be from approximately one-half to inches long. A length of from approximately 12 to 22 inches may be appropriate for most users. A length of approximately 1-1/2 feet may be particularly suitable.
[31] As shown in FIG. 2, single use strand 62 may be affixed or gripped at one end to handle 30. Also as best shown in FIG. 2, strand 62 may be affixed or gripped at its other end to head 20. Thus, when head 20 is detached from handle 30, strand 62 may extend between head 20 and handle 30. When strand 62 is gripped or affixed at one end (either to handle 30 or head 20), a suitable length of the strand may be less by up to approximately 9 inches. When strand 62 is gripped or affixed at both ends, a suitable length of the strand may be even less. As an example, a length of from approximately one-half inch to approximately 6 inches may be particularly suitable when the strand is gripped or affixed by both the handle and the head. For purposes of this disclosure, any extension of a supply of floss between head 20 or handle 30 is not considered to "attach" head 20 to handle 30.
[32] In one embodiment, handle 30 is a molded as a single unit. In another embodiment, handle 30 may be composed of two or more pieces subsequently permanently assembled. In even another embodiment, handle 30 may be composed of two or more pieces that are detachably coupled to one another. By way of non-limiting example and referring to FIGS. 3 and 4, handle 30 could be provided with an end cap 35. End cap 35 may snap, thread or be press-fit onto the main body of handle 30. When end cap 35 is removed, interior cavity 50 could be accessible from the end of handle 30 such that the supply of floss 60 could be inserted into interior cavity 50. FIG. 4 illustrates an embodiment wherein end cap 35 forms a proximal end of handle 30, such that upon removal of end cap 35, interior cavity 50 is accessible from the proximal end of handle 30.
[33] In another embodiment, strand 62 is affixed to handle 20, but not to head 20. Thus, referring to FIGS. 5 and 6, when head 20 is detached from handle 20, strand 62 remains affixed to handle 30 at one end, but the other end of strand 62 is free. Alternatively, strand 62 may be affixed to head 20, but not to handle 30.
[34] In even another embodiment, strand 62 is initially affixed to one or both of head 20 and handle 30, but may be easily unfastened, if desired by the user, from its affixment to head 20 and/or handle 30. By way of non-limiting example and referring to FIG. 10, such a detachable affixment of the floss to the handle or head could be accomplished by knotting 63 (or otherwise enlarging or looping) the end of the strand and inserting the strand into a slot 39 or under a hook that captures the enlarged or looped end. As another example and referring to FIG. 11, an end of floss strand 62 could be frictionally engaged with handle 30 via multiple windings 65 of floss around a portion of handle 30. A projection or flap 66, under which the strand could be slid, could further be provided to assist in affixing the strand to the head or handle. Other methods for detachably affixing the floss to the head or handle will become readily apparent to those skilled in the art, given the benefit of this disclosure. The ability to unfasten the strand from one or both of the head or the handle may facilitate use of the floss by the user.
[35] As even another alternative embodiment, as shown in FIGS. 5 and 6, the proximal end of head 20 may include a bore 28 and the distal end 34 of handle may include a shaft 38. Shaft 38 is configured for insertion into bore 28 of head 20.
Further, an interior chamber 50 may be provided within shaft 38 and/or generally within handle 30. Other suitable configurations and arrangements of shafts and bores on the head and the handle will become readily apparent to those skilled in the art, given the benefit of this disclosure.
[36] In the embodiment of FIGS. 5 and 6, head 20 is partially disconnectable or detachable from handle 30. For example, as illustrated in FIGS. 5 and 6, a hinge or strap 41 may connect head 20 to handle 30. Strap 41 may be of any length and may, optionally, be detachable from one or both of head 20 and handle 30, as may be desired by a user.
[37] Interface 40 may further include a keyway 42 for complementary engagement with a key 44. As shown in FIG. 7, keyway 42 may be located on handle 30 and the key 44 may be located on head 20. Alternatively, head 20 may include the keyway for complementary engagement with a key on handle 30. Suitable configurations for a keyway and a key will become readily apparent to those skilled in the art, given the benefit of this disclosure. Key 44 and keyway 42 may be used to orient head 20 relative to handle 30 and to prevent relative rotational motion from occurring between handle 20 and head 30 when oral hygiene device 100 is being used.
[38] In one embodiment, one or both of shaft 26 and bore 36 may include an engagement element 46. Referring to FIG. 8, engagement element 46a may be, by way of non-limiting example, an elastomeric bump or detent. A complementary engagement hollow or dimple 46b may be provided on the other of shaft 26 and bore 36. Engagement elements 46a, 46b assist in keeping head 20 engaged with handle 30.
[39] Alternatively, as shown in FIG. 9, in one embodiment, engagement element 46 may include a seal member 48 provided in a channel 49. Seal member and channel 49 may be provided within on shaft 26 as shown (or alternatively, within bore 36 (not shown)). In this embodiment, seal member 48 may both assist in keeping head 20 engaged with handle 30 and in keeping fluid from penetrating into an interior cavity of handle 30.
[40] Referring back to FIGS. 3 and 4, in one embodiment the supply of floss 60 may include a longer strand 64, suitable for providing several flossing sessions.
For example, a disposable oral hygiene device may be suitable for multiple uses (such as would be contemplated by a traveler away from home for several days).
In such case, having a supply of floss readily available for the entire trip may be desired. Strand 64 may be wound on a spool, freely coiled or otherwise arranged within interior cavity 50.
[41] Referring to FIG. 12, a limiting element 52 may be provided within cavity 50 or bore 36 to inhibit the entire strand 62, 64 from being too freely pulled from (or even entirely extracted from) the cavity. By way of non-limiting example, limiting element 52 may be a projection extending from a wall of the cavity or bore (or formed in the wall of the cavity or bore) with a hole or slot 53 formed therein. A
length of floss may extend through the hole or slot. The dimensions of the hole or sidewalls of the slot may somewhat inhibit the free extension of the strand 62, 64 from the interior cavity due to friction. As an aide to floss accessibility, limiting element 52 may further inhibit the end of strand 62, 64 that is extending from handle 30 from falling or receding back into interior cavity 50. Limiting element 52 could further function as a key for orienting head 20 relative to handle 30, as discussed above.
[42] In a further embodiment, a floss cutting element 80 may be provided on oral hygiene device 100. Floss cutting element 80 may be provided on handle 30. As shown in FIG. 12, floss cutting element may be incorporated into a wall of handle 30 that forms a portion of bore 36. A slot with a blade capable of capturing and cutting a floss strand when a user tugs the floss, as is known in the art, may be provided.
Other suitable floss cutting elements will be apparent to those skilled in the art, given the benefit of this disclosure. Further, floss cutting element may be combined with the functionality of a limiting element or even an engagement element.
[43] The supply of floss 60 may be of any type that is commonly used, including by way of non-limiting examples, multifilament floss, such as Nylon, monofilament floss, such as poly(tetrafluoroethylene) (PTFE), unwaxed floss, waxed floss, flavored floss, etc.
[44] Oral hygiene device 100, in its entirety, may be disposable.
Alternatively, head 20 or handle 30 may each, individually, be disposable and/or replaceable.
[45] In the embodiments of FIGS. 1 through 6, tooth cleaning elements 90 are positioned on and extend outwardly from head 20. As used herein, the terms "tooth cleaning elements" and "cleaning elements" include any type of structure that is commonly used or is suitable for use in providing oral health benefits (e.g., tooth cleaning, tooth polishing, tooth whitening, massaging, stimulating, etc.) by making contact with portions of the teeth and gums. Such tooth cleaning elements include, but are not limited to, tufts of bristles that can be formed to have a number of different shapes and sizes, and elastomeric cleaning members that can be formed to have a number of different shapes and sizes, or a combination of both tufts of bristles and elastomeric cleaning members.
[461 Head 20 may be provided with any of a variety of oral hygiene elements. By way of non-limiting examples, head 20 may include tooth cleaning elements such as bristles or other elastomeric cleaning members, gum massaging elements, tongue cleaning elements, floss holding elements, etc.
[47] Suitable materials for handle 30 and head 20 include, by way of non-limiting example, injection molded plastics. One or more materials may be used, including hard thermoplastics and/or elastomeric materials. Materials may be co-molded, overmolded or applied subsequently. Other suitable materials will be readily apparent to those skilled in the art, given the benefit of this disclosure.
148] In general, it is expected that handle 30 will be ergonomically designed for use with head 20, It is to be appreciated that the shape of the handle depicted in the illustrative drawings herein is not limiting and that other shapes for handle 30 will be suitable as will be apparent to those skilled in the art, given the benefit of this disclosure.
[49] In light of the foregoing disclosure of the invention and description of various embodiments, those skilled in this area of technology will readily understand that various modifications and adaptations can be made without departing from the scope of the invention.
2a [14] FIG. 5 is a partial section view of even another embodiment of an oral hygiene device, in a first configuration.
1151 FIG. 6 is a partial section view of an oral hygiene device, in a second configuration, according to the embodiment of FIG. 5.
[16] FIG. 7 is a perspective view of an embodiment of an interface between a head and a handle.
[17] FIG. 8 is a perspective view of an alternative interface between a head and a handle.
[18] FIG. 9 is a perspective view of another alternative interface between a head and a handle.
[19] FIG. 10 is a perspective view of an affixment of a strand of floss to a distal end of a handle.
[20] FIG. 11 is a perspective view of an alternative affixment of a strand of floss to a distal end of a handle.
[21] FIG. 12 is a section view of an embodiment of a distal end portion of a handle of an oral hygiene device.
[22] The figures referred to above are not drawn necessarily to scale and should be understood to provide a representation of an oral hygiene device, illustrative of the principles involved. Some features of the oral hygiene device depicted in the drawings may have been enlarged or distorted relative to others to facilitate explanation and understanding. The same reference numbers are used in the drawings for similar or identical components and features shown in various alternative embodiments. An oral hygiene device as disclosed herein would have configurations and components determined, in part, by the intended application and environment in which they are used.
DETAILED DESCRIPTION OF THE INVENTION
[23] An oral hygiene device may be embodied in various forms. One embodiment of an oral hygiene device 100 is shown in FIG. 1. In the embodiment of FIG. 1, oral hygiene device is a toothbrush 10. Oral hygiene device 100 includes a head 20. Head 20 is configured for insertion into a user's mouth for purposes of oral hygiene. In the embodiment of FIG. 1, head 20 is a toothbrush head. Oral hygiene device further includes a handle 30 having a proximal end 32 and a distal end 34.
[24] Head 20 is engaged to handle 30 at interface 40. Interface 40 is provided below the portion of oral hygiene device 100 that is generally insertable into a user's mouth and above the portion of oral hygiene device 100 that generally provides a hand grip portion during an oral hygiene session. Specifically, interface 40 is provided between the distal end 34 of handle 30 and a proximal end 22 of head 20. As best shown in FIG. 2, head 20 is detachable from handle 30, thereby providing, among other things, the capability of replacing handle 30 or head 20 or of storing oral hygiene device 100 in a compact form.
[25] Oral hygiene device 100 also includes a supply of floss 60. The supply of floss 60 is accessible when the head 20 and the handle 30 are at least partially disconnected.
[26] Handle 30 is configured to accommodate a user's grip during an oral hygiene session. In order to provide sufficient grasping capability, handle 30 will generally be at least approximately 2 inches long. More typically, handle 30 may be from approximately 3 inches to approximately 5 inches long. For disposable or travel oral hygiene devices, it is expected that the handle length would be at the lower end of this range. For example, a disposable toothbrush may have a handle length of from approximately 2.5 inches to approximately 4.0 inches. In this regard, handle 30 may be ergonomically designed to provide improved grip and comfort.
[27] As shown in FIGS. 1 and 2, distal end 34 of handle 30 includes a bore 36 configured for engagement with a shaft 26 at proximal end 22 of head 20. Bore may have any suitable cross section, including, by way of non-limiting examples, circular, square, triangular, oval or even non regular. Shaft 26 of head 20 may have a cross section that complements the cross section of bore 36. Shaft 26 may have a different cross sectional shape than that of bore 36 but still be insertable into bore 36.
[28] Shaft 26 may be slidably or rotatably insertable into bore 36. In one embodiment, shaft 26 may have a slight interference fit with bore 36, such that a slight tug by a user is necessary to detach head 20 from handle 30.
[29] As shown in the embodiment of FIG. 1, handle 30 includes in interior cavity 50. Interior cavity 50 communicates with bore 36 and is configured to receive a supply of floss 60.
[30] In one embodiment, the supply of floss 60 includes a single use strand 62. Such a single use strand 62 would be particularly applicable for a disposable oral hygiene device. The single use strand could be from approximately one-half to inches long. A length of from approximately 12 to 22 inches may be appropriate for most users. A length of approximately 1-1/2 feet may be particularly suitable.
[31] As shown in FIG. 2, single use strand 62 may be affixed or gripped at one end to handle 30. Also as best shown in FIG. 2, strand 62 may be affixed or gripped at its other end to head 20. Thus, when head 20 is detached from handle 30, strand 62 may extend between head 20 and handle 30. When strand 62 is gripped or affixed at one end (either to handle 30 or head 20), a suitable length of the strand may be less by up to approximately 9 inches. When strand 62 is gripped or affixed at both ends, a suitable length of the strand may be even less. As an example, a length of from approximately one-half inch to approximately 6 inches may be particularly suitable when the strand is gripped or affixed by both the handle and the head. For purposes of this disclosure, any extension of a supply of floss between head 20 or handle 30 is not considered to "attach" head 20 to handle 30.
[32] In one embodiment, handle 30 is a molded as a single unit. In another embodiment, handle 30 may be composed of two or more pieces subsequently permanently assembled. In even another embodiment, handle 30 may be composed of two or more pieces that are detachably coupled to one another. By way of non-limiting example and referring to FIGS. 3 and 4, handle 30 could be provided with an end cap 35. End cap 35 may snap, thread or be press-fit onto the main body of handle 30. When end cap 35 is removed, interior cavity 50 could be accessible from the end of handle 30 such that the supply of floss 60 could be inserted into interior cavity 50. FIG. 4 illustrates an embodiment wherein end cap 35 forms a proximal end of handle 30, such that upon removal of end cap 35, interior cavity 50 is accessible from the proximal end of handle 30.
[33] In another embodiment, strand 62 is affixed to handle 20, but not to head 20. Thus, referring to FIGS. 5 and 6, when head 20 is detached from handle 20, strand 62 remains affixed to handle 30 at one end, but the other end of strand 62 is free. Alternatively, strand 62 may be affixed to head 20, but not to handle 30.
[34] In even another embodiment, strand 62 is initially affixed to one or both of head 20 and handle 30, but may be easily unfastened, if desired by the user, from its affixment to head 20 and/or handle 30. By way of non-limiting example and referring to FIG. 10, such a detachable affixment of the floss to the handle or head could be accomplished by knotting 63 (or otherwise enlarging or looping) the end of the strand and inserting the strand into a slot 39 or under a hook that captures the enlarged or looped end. As another example and referring to FIG. 11, an end of floss strand 62 could be frictionally engaged with handle 30 via multiple windings 65 of floss around a portion of handle 30. A projection or flap 66, under which the strand could be slid, could further be provided to assist in affixing the strand to the head or handle. Other methods for detachably affixing the floss to the head or handle will become readily apparent to those skilled in the art, given the benefit of this disclosure. The ability to unfasten the strand from one or both of the head or the handle may facilitate use of the floss by the user.
[35] As even another alternative embodiment, as shown in FIGS. 5 and 6, the proximal end of head 20 may include a bore 28 and the distal end 34 of handle may include a shaft 38. Shaft 38 is configured for insertion into bore 28 of head 20.
Further, an interior chamber 50 may be provided within shaft 38 and/or generally within handle 30. Other suitable configurations and arrangements of shafts and bores on the head and the handle will become readily apparent to those skilled in the art, given the benefit of this disclosure.
[36] In the embodiment of FIGS. 5 and 6, head 20 is partially disconnectable or detachable from handle 30. For example, as illustrated in FIGS. 5 and 6, a hinge or strap 41 may connect head 20 to handle 30. Strap 41 may be of any length and may, optionally, be detachable from one or both of head 20 and handle 30, as may be desired by a user.
[37] Interface 40 may further include a keyway 42 for complementary engagement with a key 44. As shown in FIG. 7, keyway 42 may be located on handle 30 and the key 44 may be located on head 20. Alternatively, head 20 may include the keyway for complementary engagement with a key on handle 30. Suitable configurations for a keyway and a key will become readily apparent to those skilled in the art, given the benefit of this disclosure. Key 44 and keyway 42 may be used to orient head 20 relative to handle 30 and to prevent relative rotational motion from occurring between handle 20 and head 30 when oral hygiene device 100 is being used.
[38] In one embodiment, one or both of shaft 26 and bore 36 may include an engagement element 46. Referring to FIG. 8, engagement element 46a may be, by way of non-limiting example, an elastomeric bump or detent. A complementary engagement hollow or dimple 46b may be provided on the other of shaft 26 and bore 36. Engagement elements 46a, 46b assist in keeping head 20 engaged with handle 30.
[39] Alternatively, as shown in FIG. 9, in one embodiment, engagement element 46 may include a seal member 48 provided in a channel 49. Seal member and channel 49 may be provided within on shaft 26 as shown (or alternatively, within bore 36 (not shown)). In this embodiment, seal member 48 may both assist in keeping head 20 engaged with handle 30 and in keeping fluid from penetrating into an interior cavity of handle 30.
[40] Referring back to FIGS. 3 and 4, in one embodiment the supply of floss 60 may include a longer strand 64, suitable for providing several flossing sessions.
For example, a disposable oral hygiene device may be suitable for multiple uses (such as would be contemplated by a traveler away from home for several days).
In such case, having a supply of floss readily available for the entire trip may be desired. Strand 64 may be wound on a spool, freely coiled or otherwise arranged within interior cavity 50.
[41] Referring to FIG. 12, a limiting element 52 may be provided within cavity 50 or bore 36 to inhibit the entire strand 62, 64 from being too freely pulled from (or even entirely extracted from) the cavity. By way of non-limiting example, limiting element 52 may be a projection extending from a wall of the cavity or bore (or formed in the wall of the cavity or bore) with a hole or slot 53 formed therein. A
length of floss may extend through the hole or slot. The dimensions of the hole or sidewalls of the slot may somewhat inhibit the free extension of the strand 62, 64 from the interior cavity due to friction. As an aide to floss accessibility, limiting element 52 may further inhibit the end of strand 62, 64 that is extending from handle 30 from falling or receding back into interior cavity 50. Limiting element 52 could further function as a key for orienting head 20 relative to handle 30, as discussed above.
[42] In a further embodiment, a floss cutting element 80 may be provided on oral hygiene device 100. Floss cutting element 80 may be provided on handle 30. As shown in FIG. 12, floss cutting element may be incorporated into a wall of handle 30 that forms a portion of bore 36. A slot with a blade capable of capturing and cutting a floss strand when a user tugs the floss, as is known in the art, may be provided.
Other suitable floss cutting elements will be apparent to those skilled in the art, given the benefit of this disclosure. Further, floss cutting element may be combined with the functionality of a limiting element or even an engagement element.
[43] The supply of floss 60 may be of any type that is commonly used, including by way of non-limiting examples, multifilament floss, such as Nylon, monofilament floss, such as poly(tetrafluoroethylene) (PTFE), unwaxed floss, waxed floss, flavored floss, etc.
[44] Oral hygiene device 100, in its entirety, may be disposable.
Alternatively, head 20 or handle 30 may each, individually, be disposable and/or replaceable.
[45] In the embodiments of FIGS. 1 through 6, tooth cleaning elements 90 are positioned on and extend outwardly from head 20. As used herein, the terms "tooth cleaning elements" and "cleaning elements" include any type of structure that is commonly used or is suitable for use in providing oral health benefits (e.g., tooth cleaning, tooth polishing, tooth whitening, massaging, stimulating, etc.) by making contact with portions of the teeth and gums. Such tooth cleaning elements include, but are not limited to, tufts of bristles that can be formed to have a number of different shapes and sizes, and elastomeric cleaning members that can be formed to have a number of different shapes and sizes, or a combination of both tufts of bristles and elastomeric cleaning members.
[461 Head 20 may be provided with any of a variety of oral hygiene elements. By way of non-limiting examples, head 20 may include tooth cleaning elements such as bristles or other elastomeric cleaning members, gum massaging elements, tongue cleaning elements, floss holding elements, etc.
[47] Suitable materials for handle 30 and head 20 include, by way of non-limiting example, injection molded plastics. One or more materials may be used, including hard thermoplastics and/or elastomeric materials. Materials may be co-molded, overmolded or applied subsequently. Other suitable materials will be readily apparent to those skilled in the art, given the benefit of this disclosure.
148] In general, it is expected that handle 30 will be ergonomically designed for use with head 20, It is to be appreciated that the shape of the handle depicted in the illustrative drawings herein is not limiting and that other shapes for handle 30 will be suitable as will be apparent to those skilled in the art, given the benefit of this disclosure.
[49] In light of the foregoing disclosure of the invention and description of various embodiments, those skilled in this area of technology will readily understand that various modifications and adaptations can be made without departing from the scope of the invention.
Claims (13)
1. A toothbrush comprising:
a head having bristles extending outwardly;
a handle configured to accommodate a user's hand grip when the head is inserted into a user's mouth and configured to accommodate, at a distal end of the handle, a proximal end of the head;
a cavity provided in one of the head and the handle; and a supply of floss disposed within the cavity;
wherein the cavity becomes accessible when the head and the handle are at least partially detached from one another;
wherein one end of a strand of the supply of floss is affixed to the handle and the other end of the strand of the supply of floss is affixed to the head.
a head having bristles extending outwardly;
a handle configured to accommodate a user's hand grip when the head is inserted into a user's mouth and configured to accommodate, at a distal end of the handle, a proximal end of the head;
a cavity provided in one of the head and the handle; and a supply of floss disposed within the cavity;
wherein the cavity becomes accessible when the head and the handle are at least partially detached from one another;
wherein one end of a strand of the supply of floss is affixed to the handle and the other end of the strand of the supply of floss is affixed to the head.
2. The toothbrush of claim 1, wherein the head and the handle are configured to be completely detached from one another.
3. The toothbrush of claim 1, wherein the cavity is provided within the handle or further comprising:
a seal element between the head and the handle.
a seal element between the head and the handle.
4. The toothbrush of claim 1, wherein the only opening to the cavity is provided at an interface of the head with the handle.
5. The toothbrush of claim 1, wherein one of the handle or the head includes a bore and the other of the handle or the head includes a shaft configured for insertion into the bore.
6. A toothbrush comprising:
a head including bristles; and a handle removably engaged to the head at an interface;
wherein the handle defines a cavity communicating with an opening at the interface and wherein the cavity accommodates a supply of floss;
wherein one end of a strand of the supply of floss is affixed to the handle and the other end of the strand of the supply of floss is affixed to the head.
a head including bristles; and a handle removably engaged to the head at an interface;
wherein the handle defines a cavity communicating with an opening at the interface and wherein the cavity accommodates a supply of floss;
wherein one end of a strand of the supply of floss is affixed to the handle and the other end of the strand of the supply of floss is affixed to the head.
7. The toothbrush of claim 1 or toothbrush of claim 6, wherein the strand has a length of from 15.24 cm (6 inches) to 60.96 cm (24 inches).
8. The toothbrush of claim 1 or toothbrush of claim 6, wherein the strand has a length of from 1.27 cm (one-half inch) to 15.24 cm (6 inches).
9. The toothbrush of claim 1 or toothbrush of claim 6, further comprising:
a floss cutting element.
a floss cutting element.
10. The toothbrush of claim 6, wherein one of the handle or the head includes a bore and the other of the handle or the head includes a shaft configured for insertion into the bore, and further comprising:
a seal element between the head and the handle.
a seal element between the head and the handle.
11. A method for using a toothbrush, the toothbrush including a head having bristles extending outwardly for insertion into a user's mouth during an oral hygiene session and a handle for accommodating a hand grip of a user during an oral hygiene session, the method comprising:
at least partially disconnecting the head from the handle at an interface; and accessing a supply of floss from the interface;
wherein one end of a strand of the supply of floss is affixed to the handle and the other end of the strand of the supply of floss is affixed to the head.
at least partially disconnecting the head from the handle at an interface; and accessing a supply of floss from the interface;
wherein one end of a strand of the supply of floss is affixed to the handle and the other end of the strand of the supply of floss is affixed to the head.
12. The method of claim 11, further comprising:
cutting a portion of the supply floss from the toothbrush.
cutting a portion of the supply floss from the toothbrush.
13 . The method of claim 11, wherein at least partially disconnecting the head from the handle causes a first end of the strand of the supply of floss to be pulled from the handle.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/142,126 | 2008-06-19 | ||
US12/142,126 US8776806B2 (en) | 2008-06-19 | 2008-06-19 | Oral hygiene device with floss storage capability |
PCT/US2008/067601 WO2009154627A1 (en) | 2008-06-19 | 2008-06-20 | Oral hygiene device with floss storage capability |
Publications (2)
Publication Number | Publication Date |
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CA2728676A1 CA2728676A1 (en) | 2009-12-23 |
CA2728676C true CA2728676C (en) | 2015-04-07 |
Family
ID=41165651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2728676A Expired - Fee Related CA2728676C (en) | 2008-06-19 | 2008-06-20 | Oral hygiene device with floss storage capability |
Country Status (13)
Country | Link |
---|---|
US (1) | US8776806B2 (en) |
EP (1) | EP2299869B1 (en) |
KR (1) | KR101268236B1 (en) |
CN (1) | CN102065723B (en) |
AU (1) | AU2008358066B2 (en) |
BR (1) | BRPI0822809A2 (en) |
CA (1) | CA2728676C (en) |
CO (1) | CO6280600A2 (en) |
MX (1) | MX2010014191A (en) |
MY (1) | MY156163A (en) |
RU (1) | RU2462972C2 (en) |
TW (1) | TW201010673A (en) |
WO (1) | WO2009154627A1 (en) |
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USD922078S1 (en) | 2019-09-30 | 2021-06-15 | Hilt LLC | Combined toothbrush and floss dispenser |
RU206570U1 (en) * | 2020-10-26 | 2021-09-16 | Резников Иван Алексеевич | Interdental cleaner |
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-
2008
- 2008-06-19 US US12/142,126 patent/US8776806B2/en active Active
- 2008-06-20 WO PCT/US2008/067601 patent/WO2009154627A1/en active Application Filing
- 2008-06-20 CA CA2728676A patent/CA2728676C/en not_active Expired - Fee Related
- 2008-06-20 AU AU2008358066A patent/AU2008358066B2/en not_active Ceased
- 2008-06-20 CN CN200880130041.5A patent/CN102065723B/en not_active Expired - Fee Related
- 2008-06-20 EP EP08771550.4A patent/EP2299869B1/en not_active Not-in-force
- 2008-06-20 BR BRPI0822809A patent/BRPI0822809A2/en not_active IP Right Cessation
- 2008-06-20 RU RU2011101676/12A patent/RU2462972C2/en not_active IP Right Cessation
- 2008-06-20 KR KR1020117001268A patent/KR101268236B1/en not_active IP Right Cessation
- 2008-06-20 MY MYPI2010005386A patent/MY156163A/en unknown
- 2008-06-20 MX MX2010014191A patent/MX2010014191A/en active IP Right Grant
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2009
- 2009-06-18 TW TW098120344A patent/TW201010673A/en unknown
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2011
- 2011-01-19 CO CO11005436A patent/CO6280600A2/en active IP Right Grant
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KR101268236B1 (en) | 2013-05-31 |
US8776806B2 (en) | 2014-07-15 |
CN102065723B (en) | 2015-01-07 |
MX2010014191A (en) | 2011-03-30 |
EP2299869B1 (en) | 2017-09-20 |
KR20110020922A (en) | 2011-03-03 |
EP2299869A1 (en) | 2011-03-30 |
RU2462972C2 (en) | 2012-10-10 |
TW201010673A (en) | 2010-03-16 |
CO6280600A2 (en) | 2011-05-20 |
CN102065723A (en) | 2011-05-18 |
AU2008358066A1 (en) | 2009-12-23 |
RU2011101676A (en) | 2012-07-27 |
CA2728676A1 (en) | 2009-12-23 |
BRPI0822809A2 (en) | 2019-09-24 |
MY156163A (en) | 2016-01-15 |
US20090314307A1 (en) | 2009-12-24 |
WO2009154627A1 (en) | 2009-12-23 |
AU2008358066B2 (en) | 2012-01-19 |
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