US20150047232A1 - Stand-on adaptable surface clearer - Google Patents

Stand-on adaptable surface clearer Download PDF

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Publication number
US20150047232A1
US20150047232A1 US14/339,960 US201414339960A US2015047232A1 US 20150047232 A1 US20150047232 A1 US 20150047232A1 US 201414339960 A US201414339960 A US 201414339960A US 2015047232 A1 US2015047232 A1 US 2015047232A1
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Prior art keywords
stand
main frame
hydraulic
snow
surface cleaner
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Abandoned
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US14/339,960
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Joseph J. Kassander
Justin T. Aslin
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BIRCHWOOD SNOW & LANDSCAPE CONTRACTORS Inc
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BIRCHWOOD SNOW & LANDSCAPE CONTRACTORS Inc
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Priority to US14/339,960 priority Critical patent/US20150047232A1/en
Assigned to BIRCHWOOD SNOW & LANDSCAPE CONTRACTORS, INC. reassignment BIRCHWOOD SNOW & LANDSCAPE CONTRACTORS, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ASLIN, JUSTIN T., KASSANDER, JOSEPH J.
Publication of US20150047232A1 publication Critical patent/US20150047232A1/en
Abandoned legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H5/00Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
    • E01H5/04Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material
    • E01H5/08Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by driven elements
    • E01H5/09Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/02Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
    • E01H1/05Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes
    • E01H1/056Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes having horizontal axes
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H5/00Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
    • E01H5/04Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material
    • E01H5/08Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by driven elements
    • E01H5/09Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
    • E01H5/092Brushing elements
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H5/00Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
    • E01H5/04Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material
    • E01H5/08Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by driven elements
    • E01H5/09Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels
    • E01H5/098Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material dislodging essentially by driven elements the elements being rotary or moving along a closed circular path, e.g. rotary cutter, digging wheels about horizontal or substantially horizontal axises perpendicular or substantially perpendicular to the direction of clearing

Definitions

  • the present invention relates generally to the field of stand-on work devices used to clear surfaces. More particularly, the present invention relates to devices used to clear snow or dirt from pavement and other surfaces using a stand-on powered snow blower or broom device that can be adapted to different configurations.
  • Snow removal involves the moving, plowing, hauling, and stacking of snow, along with ice control.
  • Many commercial snow removal companies cater to both residential and commercial markets. Within these markets are parking lots, driveways, walkways, sidewalks, paths, parks, and other paved surfaces where individuals generally walk and/or drive or ride vehicles and equipment.
  • Commercial snow removal is an industry that exists largely due to safety concerns, and transportation needs, as well as maintaining cosmetic appearances.
  • Snow removal is generally performed with a truck and a plow for large areas, and either a walk-behind snow blower with an operator, or a snow shovel and an individual, for areas that are too small or narrow for a plow to perform the snow removal.
  • Plows generally handle the task of snow removal from large open areas, such as parking lots.
  • snow removal often involves the task of removing snow from areas too small for plow applications. These include, but are not limited to, condominium complexes, shopping centers, municipalities and parks, schools, religious establishments, and any other narrowly paved locations that a plow cannot reasonably handle.
  • professionals and amateurs alike currently use an individual walking behind a snow blower, or an individual using a shovel, for these applications.
  • Either method creates a number of obstacles, including, but not limited to, operator fatigue, maneuverability, and speed of production.
  • Working in cold, snowy conditions is hard enough on an individual, and having to walk through snowy walkways behind a large heavy snow blower adds to the stress on the operator.
  • Operating a snow blower is a slow, straining process that lessens the productivity of the operator due to fatigue. It is also difficult for the operator to make any sudden movements with the machine due to its size and weight.
  • the task of turning-around and re-positioning the snow blower also adds to operator fatigue. The snow can only be removed as fast as the operator can perform, and as fatigue sets in, the speed of operation slows down. Beyond operating a snow blower, using a snow shovel by hand is an even slower and more physically draining process. Lifting and moving wet, heavy snow is very straining on the body, and productivity quickly decreases due to fatigue.
  • FIG. 1 is right side perspective view of a stand-on adaptable surface cleaner in accordance the present invention.
  • FIG. 2 is a partial front perspective view of the stand-on adaptable surface cleaner of FIG. 1 .
  • FIG. 3 is a rear perspective view of the stand-on adaptable surface cleaner of FIG. 1 .
  • FIG. 4 is a partial perspective top view of the stand-on adaptable surface cleaner of FIG. 1 , illustrating some of the hydraulic components.
  • FIG. 5 is a partial perspective right side view of the stand-on adaptable surface cleaner of FIG. 1 , illustrating some of the hydraulic components.
  • FIG. 6 is a top view of the controls for the stand-on adaptable surface cleaner of FIG. 1 .
  • FIG. 7 is right side perspective view of another embodiment of a stand-on adaptable surface cleaner in accordance the present invention.
  • FIG. 8 is a right rear perspective view of the stand-on adaptable surface cleaner of FIG. 7 .
  • FIG. 9 is a front perspective view of a female connector connected to a main frame of the stand-on adaptable surface cleaner of FIG. 7 .
  • FIG. 10 is a front perspective view of a male adapter plate connected to an auxiliary frame of the stand-on adaptable surface cleaner of FIG. 7 .
  • FIGS. 1-10 illustrate embodiments of a stand-on adaptable surface cleaner in accordance with the invention. More particularly, as illustrated in FIGS. 1-3 , the stand-on surface clearer includes a main frame 12 ; an operator platform 14 extending from the main frame 12 ; and controls 18 positioned on the main frame 12 .
  • the operator platform 14 extends horizontally, and permits an operator to stand on the surface clearer.
  • the surface clearer also includes a drive system 22 for propelling the stand-on surface clearer; and an auxiliary frame 26 pivotally attached at pivot point 23 to the main frame 12 .
  • the auxiliary frame 26 is adapted to receive a surface clearing apparatus thereon, as further explained below.
  • pivot connection 23 of the auxiliary frame 26 to the main frame 12 is by a single pin that fits through the pieces of this hinge assembly, to allow for quick and easy mounting and dismounting.
  • This hinge are also possible, and could include multiple pins.
  • This connection system can also be used for joining other various types of equipment (not shown) directly to the main frame 12 , including but not limited to: power brushes, dethatchers, mower decks, and other compatible tools.
  • FIGS. 1-6 illustrate a stand-on snow throwing machine 10
  • the controls 18 are for operating the stand-on snow throwing machine.
  • the surface clearing apparatus is a snow thrower 30 attached to the auxiliary frame 26 by an adapter 34 (see FIGS. 9-10 ), and the snow thrower includes at least one impeller 38 and a snow chute 42 .
  • the blower assembly shown is a modified commercially available hydraulic driven two stage snow thrower. Other drive systems that could be used include a belt driven blower using PTO, but the hydraulic system has been found to exhibit greater performance.
  • the main frame 12 is a horizontally extending rectangular structure
  • the drive system 22 includes two spaced apart rear wheels 46 and 50 rotatably mounted on the main frame 12 and driven by an engine 23 .
  • the engine 23 sits on the main frame adjacent the rear wheels.
  • the auxiliary frame pivot point 23 is about one third of the way down the main frame from the rear wheels.
  • the stand-on snow throwing machine 10 also includes a hydraulic system 54 including at least two hydraulically connected tanks 58 and 62 , with each tank mounted on the main frame 12 above a respective one of the wheels.
  • an overhung load adapter and hydraulic pump 72 are attached.
  • three hydraulic tanks are fastened to the main frame; two on either side of a control tower and above the wheels, and one below the mainframe. All three tanks are mated together as one single tank. Hydraulic lines 76 are then routed underneath the fuel tank of the stand-on adaptable surface clearer and around the main frame to a lift cylinder and a quick connect for hydraulic accessories, as further explained below.
  • the hydraulic system 54 further includes a hydraulic lift cylinder 64 , connected between and to each of the main frame 12 and the auxiliary frame 26 , for moving the auxiliary frame relative to the main frame. More particularly, one end of the hydraulic cylinder 64 is pivotally connected to a rearward extending tab 13 at the top of the main frame, and the other end of the hydraulic cylinder is pivotally connected to a central plate portion 15 of the auxiliary frame midway between the pivot point 23 and the snow thrower 30 . The position of the snow thrower 30 can be adjusted up and down relative to the surface supporting the snow throwing machine 10 . In other embodiments (not shown) other lifting systems may include but are not limited to multiple hydraulics lift cylinders, electric winch(es) and/or human powered lever arm lifts.
  • the lift system connects to the frame of the stand-on mower by means of an A-frame which transfers the weight of the blower assembly to the main frame of the stand-on snow throwing machine 10 .
  • the snow thrower 30 is hydraulically powered, and the hydraulic system 54 further includes an auxiliary hydraulic quick connect 68 adapted to be connected to the hydraulic powered snow thrower 30 .
  • the hydraulic pump 72 is driven by the engine 23 and is in communication with the tanks 58 and 62 , and the hydraulic pump 72 provides pressurized fluid via the hydraulic pressure lines 76 to the hydraulic cylinder 64 and to the auxiliary hydraulic quick connect 68 .
  • quick connect hydraulic couplers are used instead of permanent connections. Using this quick-connect configuration enables a switch from the snow thrower to a powered broom, as described below, to be done in about five minutes using only an adjustable wrench to take off the chute control on the snow blower.
  • the embodiment of the stand-on snow blowing machine 10 shown in FIGS. 1-6 is started using key start on the control panel and adjusting throttle to no more than half-throttle (approximately 1900 RPM) and engaging PTO.
  • RPM is raised to full throttle (3800 RPM creating approximately 2700 psi in the hydraulic system) using the throttle lever.
  • These first two steps will activate pressure to the hydraulic valve.
  • the snow blower can be raised and lowered, and the hydraulic motor for the impeller is controlled.
  • the steering controls are used to maneuver the machine and the discharge chute lever to adjust the chute left or right.
  • snow blower attachment may also be exchanged for other attachments as well, including but not limited to: power brushes, dethatchers, mower decks, etc.
  • the overall length of the snow blower is reduced by optimizing the frame length and blower attachment position; with the hydraulic pump having been moved so it is directly driven by the engine; and having the hydraulic fluid reservoirs repositioned over the rear wheels to enhance weight distribution, balance, and traction. And having the flexibility to work as a powered ride-on device with capabilities beyond moving snow, enables the device to be used year round.
  • FIGS. 7-8 illustrate a stand-on surface cleaner 80 , and controls 88 are for operating the surface cleaner.
  • the surface clearing apparatus is a brush 84 attached to the auxiliary frame 26 by the adapter 34 (see FIGS. 9-10 ).
  • the brush 84 is rotated by a hydraulic motor 89 (see FIG. 10 ).
  • the auxiliary frame 26 allows for either the snow blower or the broom to be easily received and secured without needing special tools or equipment.
  • the adapter 34 includes a male adaptor plate 90 on the broom or the snow blower.
  • the male adapter plate 90 is received by a female frame piece 94 .
  • Two holes 98 are drilled in the auxiliary frame 26 , so that, when the male adaptor plate is slid into place, two twist and lock plunger latches 99 lock the unit into place.
  • the hydraulically powered broom that is shown in FIGS. 7-8 is one example of an additional attachment that can be used, and is a relatively standard broom with the addition of the male adaptor plate.
  • the brush attachment is easily mounted on the unit in the same manner as the snow blower.
  • the broom itself is mounted to a brush frame with a hydraulic motor on one side, and a bearing on the other side.
  • the hydraulic motor spins counter-clockwise, causing the polyurethane bristled brush to sweep the surface.
  • the polyurethane brush can be used for sweeping up dirt, snow, pebbles, or any other unwanted thing off of a hard surface.
  • the broom in addition to being mounted straight, can be angled, if desired.

Abstract

A stand-on adaptable surface cleaner includes an engine, a platform for the operator, a hydraulic system, and a snow blower with an impeller and snow chute, a powered broom, or other attachment. The device may be operated while riding on the platform and results in less fatigue and greater speed of operation than existing walk-behind devices.

Description

    CROSS REFERENCE TO RELATED APPLICATIONS
  • This application claims the benefit of: U.S. Provisional Patent Application Ser. No. 61/867,260, filed Aug. 19, 2013; U.S. Provisional Patent Application Ser. No. 61/980,327, filed Apr. 16, 2014; and U.S. Provisional Patent Application Ser. No. 61/987,306, filed May 1, 2014; the disclosures of which are hereby incorporated by reference herein in their entirety for all purposes.
  • FIELD OF THE INVENTION
  • The present invention relates generally to the field of stand-on work devices used to clear surfaces. More particularly, the present invention relates to devices used to clear snow or dirt from pavement and other surfaces using a stand-on powered snow blower or broom device that can be adapted to different configurations.
  • BACKGROUND
  • Snow removal involves the moving, plowing, hauling, and stacking of snow, along with ice control. Many commercial snow removal companies cater to both residential and commercial markets. Within these markets are parking lots, driveways, walkways, sidewalks, paths, parks, and other paved surfaces where individuals generally walk and/or drive or ride vehicles and equipment. Commercial snow removal is an industry that exists largely due to safety concerns, and transportation needs, as well as maintaining cosmetic appearances.
  • Snow removal is generally performed with a truck and a plow for large areas, and either a walk-behind snow blower with an operator, or a snow shovel and an individual, for areas that are too small or narrow for a plow to perform the snow removal. Plows generally handle the task of snow removal from large open areas, such as parking lots. However, snow removal often involves the task of removing snow from areas too small for plow applications. These include, but are not limited to, condominium complexes, shopping centers, municipalities and parks, schools, religious establishments, and any other narrowly paved locations that a plow cannot reasonably handle. Within the snow removal industry, professionals and amateurs alike currently use an individual walking behind a snow blower, or an individual using a shovel, for these applications. Either method creates a number of obstacles, including, but not limited to, operator fatigue, maneuverability, and speed of production. Working in cold, snowy conditions is hard enough on an individual, and having to walk through snowy walkways behind a large heavy snow blower adds to the stress on the operator. Operating a snow blower is a slow, straining process that lessens the productivity of the operator due to fatigue. It is also difficult for the operator to make any sudden movements with the machine due to its size and weight. The task of turning-around and re-positioning the snow blower also adds to operator fatigue. The snow can only be removed as fast as the operator can perform, and as fatigue sets in, the speed of operation slows down. Beyond operating a snow blower, using a snow shovel by hand is an even slower and more physically draining process. Lifting and moving wet, heavy snow is very straining on the body, and productivity quickly decreases due to fatigue.
  • As such, there is a need for a more efficient and maneuverable form of snow removal for small, narrow areas that cannot be reached with a plow. There is a need for a faster, more maneuverable method of snow removal that increases productivity and decreases operator fatigue. There is a need for a machine capable of moving a lot of snow a great distance, in a short amount of time, with minimal effort. In addition, it would be advantageous if such a device were adaptable to be used as a powered broom or in other configurations. It should be understood that the references herein to “snow” apply to other substances such as dirt or light debris.
  • It will be understood by those skilled in the art that one or more aspects of this invention can meet certain objectives, while one or more other aspects can lead to certain other objectives. Other objects, features, benefits and advantages of the present invention will be apparent in this summary and descriptions of the disclosed embodiment, and will be readily apparent to those skilled in the art. Such objects, features, benefits and advantages will be apparent from the above as taken in conjunction with the accompanying figures and all reasonable inferences to be drawn therefrom.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is right side perspective view of a stand-on adaptable surface cleaner in accordance the present invention.
  • FIG. 2 is a partial front perspective view of the stand-on adaptable surface cleaner of FIG. 1.
  • FIG. 3 is a rear perspective view of the stand-on adaptable surface cleaner of FIG. 1.
  • FIG. 4 is a partial perspective top view of the stand-on adaptable surface cleaner of FIG. 1, illustrating some of the hydraulic components.
  • FIG. 5 is a partial perspective right side view of the stand-on adaptable surface cleaner of FIG. 1, illustrating some of the hydraulic components.
  • FIG. 6 is a top view of the controls for the stand-on adaptable surface cleaner of FIG. 1.
  • FIG. 7 is right side perspective view of another embodiment of a stand-on adaptable surface cleaner in accordance the present invention.
  • FIG. 8 is a right rear perspective view of the stand-on adaptable surface cleaner of FIG. 7.
  • FIG. 9 is a front perspective view of a female connector connected to a main frame of the stand-on adaptable surface cleaner of FIG. 7.
  • FIG. 10 is a front perspective view of a male adapter plate connected to an auxiliary frame of the stand-on adaptable surface cleaner of FIG. 7.
  • DETAILED DESCRIPTION
  • FIGS. 1-10 illustrate embodiments of a stand-on adaptable surface cleaner in accordance with the invention. More particularly, as illustrated in FIGS. 1-3, the stand-on surface clearer includes a main frame 12; an operator platform 14 extending from the main frame 12; and controls 18 positioned on the main frame 12. The operator platform 14 extends horizontally, and permits an operator to stand on the surface clearer. The surface clearer also includes a drive system 22 for propelling the stand-on surface clearer; and an auxiliary frame 26 pivotally attached at pivot point 23 to the main frame 12. The auxiliary frame 26 is adapted to receive a surface clearing apparatus thereon, as further explained below.
  • More particularly, the pivot connection 23 of the auxiliary frame 26 to the main frame 12 is by a single pin that fits through the pieces of this hinge assembly, to allow for quick and easy mounting and dismounting. Other variations of this hinge are also possible, and could include multiple pins. This connection system can also be used for joining other various types of equipment (not shown) directly to the main frame 12, including but not limited to: power brushes, dethatchers, mower decks, and other compatible tools.
  • More particularly, FIGS. 1-6 illustrate a stand-on snow throwing machine 10, and the controls 18 are for operating the stand-on snow throwing machine. In this embodiment, the surface clearing apparatus is a snow thrower 30 attached to the auxiliary frame 26 by an adapter 34 (see FIGS. 9-10), and the snow thrower includes at least one impeller 38 and a snow chute 42. The blower assembly shown is a modified commercially available hydraulic driven two stage snow thrower. Other drive systems that could be used include a belt driven blower using PTO, but the hydraulic system has been found to exhibit greater performance.
  • A shown in FIGS. 1 and 2, the main frame 12 is a horizontally extending rectangular structure, and the drive system 22 includes two spaced apart rear wheels 46 and 50 rotatably mounted on the main frame 12 and driven by an engine 23. The engine 23 sits on the main frame adjacent the rear wheels. The auxiliary frame pivot point 23 is about one third of the way down the main frame from the rear wheels. There are also two forward wheels 47 and 51 mounted on the main frame 12, and the four wheels support the main frame 12. The stand-on snow throwing machine 10 also includes a hydraulic system 54 including at least two hydraulically connected tanks 58 and 62, with each tank mounted on the main frame 12 above a respective one of the wheels. Where a battery tray conventionally would be located, an overhung load adapter and hydraulic pump 72 are attached. In this embodiment, three hydraulic tanks are fastened to the main frame; two on either side of a control tower and above the wheels, and one below the mainframe. All three tanks are mated together as one single tank. Hydraulic lines 76 are then routed underneath the fuel tank of the stand-on adaptable surface clearer and around the main frame to a lift cylinder and a quick connect for hydraulic accessories, as further explained below.
  • The hydraulic system 54 further includes a hydraulic lift cylinder 64, connected between and to each of the main frame 12 and the auxiliary frame 26, for moving the auxiliary frame relative to the main frame. More particularly, one end of the hydraulic cylinder 64 is pivotally connected to a rearward extending tab 13 at the top of the main frame, and the other end of the hydraulic cylinder is pivotally connected to a central plate portion 15 of the auxiliary frame midway between the pivot point 23 and the snow thrower 30. The position of the snow thrower 30 can be adjusted up and down relative to the surface supporting the snow throwing machine 10. In other embodiments (not shown) other lifting systems may include but are not limited to multiple hydraulics lift cylinders, electric winch(es) and/or human powered lever arm lifts. The lift system connects to the frame of the stand-on mower by means of an A-frame which transfers the weight of the blower assembly to the main frame of the stand-on snow throwing machine 10.
  • In one embodiment, the snow thrower 30 is hydraulically powered, and the hydraulic system 54 further includes an auxiliary hydraulic quick connect 68 adapted to be connected to the hydraulic powered snow thrower 30. The hydraulic pump 72 is driven by the engine 23 and is in communication with the tanks 58 and 62, and the hydraulic pump 72 provides pressurized fluid via the hydraulic pressure lines 76 to the hydraulic cylinder 64 and to the auxiliary hydraulic quick connect 68. For the hydraulic hoses, quick connect hydraulic couplers are used instead of permanent connections. Using this quick-connect configuration enables a switch from the snow thrower to a powered broom, as described below, to be done in about five minutes using only an adjustable wrench to take off the chute control on the snow blower.
  • The embodiment of the stand-on snow blowing machine 10 shown in FIGS. 1-6 is started using key start on the control panel and adjusting throttle to no more than half-throttle (approximately 1900 RPM) and engaging PTO. RPM is raised to full throttle (3800 RPM creating approximately 2700 psi in the hydraulic system) using the throttle lever. These first two steps will activate pressure to the hydraulic valve. Using 2 electric switches to activate hydraulic functions, the snow blower can be raised and lowered, and the hydraulic motor for the impeller is controlled. The steering controls are used to maneuver the machine and the discharge chute lever to adjust the chute left or right. During use, if snow blower hits hard packed snow and becomes “jammed”, the bypass will open at approximately 3000 psi to relive pressure to tank so the lines will not get blown out. The operator can then back up from snow pile, hit the reverse hydraulics button which will spin the auger in reverse, clearing the jam. The snow blower attachment may also be exchanged for other attachments as well, including but not limited to: power brushes, dethatchers, mower decks, etc.
  • Of course, other configurations of stand-on propelling systems could be used and other configurations of snow blowers could be used. The overall length of the snow blower is reduced by optimizing the frame length and blower attachment position; with the hydraulic pump having been moved so it is directly driven by the engine; and having the hydraulic fluid reservoirs repositioned over the rear wheels to enhance weight distribution, balance, and traction. And having the flexibility to work as a powered ride-on device with capabilities beyond moving snow, enables the device to be used year round.
  • FIGS. 7-8 illustrate a stand-on surface cleaner 80, and controls 88 are for operating the surface cleaner. In this embodiment, the surface clearing apparatus is a brush 84 attached to the auxiliary frame 26 by the adapter 34 (see FIGS. 9-10). The brush 84 is rotated by a hydraulic motor 89 (see FIG. 10).
  • To accommodate different attachments, the auxiliary frame 26 allows for either the snow blower or the broom to be easily received and secured without needing special tools or equipment. As best seen in FIGS. 9-10, the adapter 34 includes a male adaptor plate 90 on the broom or the snow blower. The male adapter plate 90 is received by a female frame piece 94. Two holes 98 are drilled in the auxiliary frame 26, so that, when the male adaptor plate is slid into place, two twist and lock plunger latches 99 lock the unit into place.
  • The hydraulically powered broom that is shown in FIGS. 7-8 is one example of an additional attachment that can be used, and is a relatively standard broom with the addition of the male adaptor plate. Using the same pump as the snow blower, together with quick connect hydraulic couplers, the brush attachment is easily mounted on the unit in the same manner as the snow blower. The broom itself is mounted to a brush frame with a hydraulic motor on one side, and a bearing on the other side. The hydraulic motor spins counter-clockwise, causing the polyurethane bristled brush to sweep the surface. The polyurethane brush can be used for sweeping up dirt, snow, pebbles, or any other unwanted thing off of a hard surface. The broom, in addition to being mounted straight, can be angled, if desired.
  • Although the invention has been herein described in what is perceived to be the most practical and preferred embodiments, it is to be understood that the invention is not intended to be limited to the specific embodiments set forth above. Rather, it is recognized that modifications may be made by one of skill in the art of the invention without departing from the spirit or intent of the invention and, therefore, the invention is to be taken as including all reasonable equivalents to the subject matter of the appended claims and the description of the invention herein.

Claims (11)

What is claimed is:
1. A stand-on surface clearer comprising:
a main frame;
an operator platform extending from the main frame;
controls positioned on the main frame;
a drive system for propelling the stand-on surface clearer; and
an auxiliary frame pivotally attached to the main frame and adapted to receive a surface clearing apparatus thereon.
2. A stand-on snow throwing machine comprising:
a main frame;
an operator platform extending from the main frame;
controls positioned on the main frame for operating the stand-on snow throwing machine,
a drive system for propelling the stand-on snow throwing machine;
an auxiliary frame pivotally attached to the main frame, and
a snow thrower attached to the auxiliary frame, the snow thrower including at least one impeller and a snow chute.
3. The stand-on snow throwing machine of claim 2, wherein the drive system includes two spaced apart wheels rotatably mounted on the main frame, and wherein the stand-on snow throwing machine further includes:
a hydraulic system including two hydraulically connected tanks, with each tank mounted on the main frame above a respective one of each of the wheels, and
a hydraulic cylinder, connected between and to each of the main frame and the auxiliary frame, for moving the auxiliary frame relative to the main frame.
4. The stand-on snow throwing machine of claim 2, wherein the snow thrower is hydraulically powered.
5. The stand-on snow throwing machine of claim 2, wherein the hydraulic system further includes an auxiliary hydraulic quick connect adapted to be connected to a hydraulic powered surface cleaner, and a hydraulic pump in communication with the tanks, and providing pressurized fluid via hydraulic pressure lines to the hydraulic cylinder and to the auxiliary hydraulic quick connect.
6. A stand-on surface cleaner machine comprising:
a main frame;
an operator platform extending from the main frame;
controls positioned on the main frame for operating the stand-on surface cleaner machine,
a drive system for propelling the stand-on surface cleaner machine;
an auxiliary frame pivotally attached to the main frame, and
a surface cleaner attached to the auxiliary frame, the surface cleaner including a brush.
7. The stand-on surface cleaner machine of claim 6, wherein the drive system includes two spaced apart wheels rotatably mounted on the main frame, and wherein the stand-on surface cleaner machine further includes:
a hydraulic system including two hydraulically connected tanks, with each tank mounted on the main frame above a respective one of each of the wheels, and
a hydraulic cylinder, connected between and to each of the main frame and the auxiliary frame, for moving the auxiliary frame relative to the main frame.
8. The stand-on surface cleaner machine of claim 6, wherein the surface cleaner is hydraulically powered.
9. The stand-on surface cleaner machine of claim 6, wherein the hydraulic system further includes an auxiliary hydraulic quick connect adapted to be connected to a hydraulic powered surface cleaner, and a hydraulic pump in communication with the tanks, and providing pressurized fluid via hydraulic pressure lines to the hydraulic cylinder and to the auxiliary hydraulic quick connect.
10. The stand-on adaptable surface cleaner of claim 6 where in the surface cleaning apparatus is a snow thrower mounted to the frame that includes at least one impeller and snow chute.
11. The stand-on adaptable surface cleaner of claim 6 wherein the surface cleaning apparatus is a powered rotating broom.
US14/339,960 2013-08-19 2014-07-24 Stand-on adaptable surface clearer Abandoned US20150047232A1 (en)

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Owner name: BIRCHWOOD SNOW & LANDSCAPE CONTRACTORS, INC., WISC

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Effective date: 20140723

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION