WO2006053437A1 - Ensemble de fauteuil roulant modulaire - Google Patents

Ensemble de fauteuil roulant modulaire Download PDF

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Publication number
WO2006053437A1
WO2006053437A1 PCT/CA2005/001754 CA2005001754W WO2006053437A1 WO 2006053437 A1 WO2006053437 A1 WO 2006053437A1 CA 2005001754 W CA2005001754 W CA 2005001754W WO 2006053437 A1 WO2006053437 A1 WO 2006053437A1
Authority
WO
WIPO (PCT)
Prior art keywords
caster
assembly
modular
caster module
module
Prior art date
Application number
PCT/CA2005/001754
Other languages
English (en)
Inventor
Christian Bagg
Original Assignee
Stryker Canada Lp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Stryker Canada Lp filed Critical Stryker Canada Lp
Publication of WO2006053437A1 publication Critical patent/WO2006053437A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1054—Large wheels, e.g. higher than the seat portion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1081—Parts, details or accessories with shock absorbers or other suspension arrangements between frame and seat
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1097—Camber- or toe-adjusting means for the drive wheels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/128—Rests specially adapted therefor, e.g. for the head or the feet for feet

Definitions

  • the invention relates to wheelchairs. More specifically, the invention relates to a wheelchair assembly that is modular in construction, or has interchangeable modules configured for different modes of operation of the wheelchair.
  • Manually-propelled wheelchairs are conventionally comprised of a frame having a seat. Typically, the frame is mounted upon two large rear wheels and two small castered front wheels. Many wheelchairs provide grip rings, which are wheel-like structures somewhat smaller than the rear wheels, that are attached outboard of the rear wheels so that an occupant of the seat can apply torque to a rear wheel by gripping the corresponding grip ring and pushing it forward or pulling it back.
  • grip rings are wheel-like structures somewhat smaller than the rear wheels, that are attached outboard of the rear wheels so that an occupant of the seat can apply torque to a rear wheel by gripping the corresponding grip ring and pushing it forward or pulling it back.
  • the use of wheelchairs in activities beyond transportation has grown. Wheelchairs are now used in a multitude of sporting activities, including basketball and tennis. Special purpose wheelchairs have been developed having attributes that make them more convenient and competitive in these activities. These special purpose wheelchairs especially include purpose-built castered front wheel assemblies and guards. Each special purpose wheelchair, however, can share many components in common with the daily use wheelchair.
  • a modular wheelchair assembly is constructed of a main frame assembly having a frame, including a seat post mounting tube, a caster module mounting assembly and a main wheel suspension system.
  • the main wheel suspension system includes at least one cantilever member and a main wheel mounting member, the cantilever member being attached at a first end to the main frame assembly and at a second end to the main wheel mounting member.
  • a pair of main wheels is rotatably mounted to the main wheel mounting member.
  • a seat module has a seat mounted to a seat post configured for being slidably received in the seat post mounting tube.
  • At least one caster module includes at least one wheel caster assembly and at least one caster module mounting member configured for selective attachment to the caster module mounting assembly.
  • Figure 1 is a perspective view of a modular wheelchair according to the invention
  • Figure 2 is a front view of the modular wheelchair of Figure 1;
  • Figure 3 is a side view of the modular wheelchair of Figures 1-2;
  • Figure 4 is a top plan view of the modular wheelchair of Figures 1-3;
  • Figure 5 is a perspective view of a main frame assembly for the modular wheelchair of Figures 1-4;
  • Figure 6 is a front view of the main frame assembly of Figure 5;
  • Figure 7 is a side view of the main frame assembly of Figures 5-6;
  • Figure 8 is a top plan view of the main frame assembly of Figures 5-7;
  • Figure 9 is a perspective view of a caster module for the modular wheelchair of Figures 1-4;
  • Figure 10 is a front view of the caster module of Figure 9;
  • Figure 11 is a side view of the caster module of Figures 9-10;
  • Figure 12 is a top plan view of the caster module of Figures 9-11;
  • Figure 13 is a perspective view of a seat module for the modular wheelchair of Figures 1-4;
  • Figure 14 is a front view of the seat module of Figure 13;
  • Figure 15 is a side view of the seat module of Figures 13-14;
  • Figure 16 is a top plan view of the seat module of Figures 13-15;
  • Figure 17 is a side view of a further embodiment of a caster module for the modular wheelchair according to the invention.
  • Figure 18 is a top plan view of the caster module of Figure 17;
  • Figure 19 is a side view of a further embodiment of a caster module for the modular wheelchair according to the invention;
  • Figure 20 is a top plan view of the caster module of Figure 19;
  • Figure 21 is a side view of a further embodiment of a caster module for the modular wheelchair according to the invention.
  • Figure 22 is a top plan view of the caster module of Figure 21;
  • Figure 23 is a side view of a further embodiment of a caster module for the modular wheelchair according to the invention.
  • Figure 24 is a top plan view of the caster module of Figure 23;
  • Figure 25 is a side view of a further embodiment of a caster module for the modular wheelchair according to the invention.
  • Figure 26 is a top plan view of the caster module of Figure 25;
  • Figure 27 is a front view of a further embodiment of a caster module for the modular wheelchair according to the invention.
  • Figure 28 is a side view of the caster module of Figure 27;
  • Figure 29 is a top plan view of the caster module of Figures 27-28;
  • Figure 30 is a partial cross-sectional view of a wheelchair axle tube according to a further embodiment of the invention.
  • Figure 31 is a partial cross-sectional view taken along line 31-31 of Figure 30. Detailed Description of the Preferred Embodiment
  • the wheels 105, 110 are each rotatably mounted by an axle 120, 125 to a main frame assembly 130.
  • the wheels 105, 110 will include a drive mechanism, an example of which is the familiar outboard grip ring, but such drive mechanism has been omitted from the Figures for clarity.
  • a further example of a drive mechanism adaptable to the modular wheelchair assembly 100 is disclosed in commonly owned U.S. Patent Application No. 10/504,227, entitled MANUALLY-PROPELLED WHEELCHAIR, filed August 10, 2004 (PCT/CA2003/00189 filed February 11, 2003), and incorporated herein by reference in its entirety.
  • the caster module 115 is connected to the main frame assembly 130 by a pair of caster mounting tubes 135, 140 received in a caster module mounting yoke 145 (see also Figure 5) .
  • the main frame assembly 130 also supports a seat module 150.
  • the main drive wheels 105, 110 are rotatably supported on the axles 120, 125.
  • the axles 120, 125 are removably received by main frame axle tube 155 ( Figures 5-8) .
  • the main frame axle tube 155 is a fixed- camber unitary tube.
  • the axle tube 155 is connected to the main frame assembly 130 by a pair of cantilevered beams 160, 165.
  • the cantilevered beams 160, 165 act as suspension members to absorb unevenness in a ground surface, providing a smoother ride.
  • the beams 160, 165 can be similar in construction to automotive leaf springs formed of fiber-reinforced epoxy compositions.
  • the axle tube 155 is secured to the beams 160, 165 by a pair of axle tube mounts 170, 175.
  • the beams 160, 165 are secured to the main frame assembly 130 by a pair of beam mounts 180, 185.
  • the main frame assembly 130 includes a core framework of structural tubes 190, 195, 200 arranged in the form of an inverted tripod.
  • the structural tube 200 is arranged on the centerline of the wheelchair, and runs upwardly from its forward end 205 to its rearward end 210.
  • the caster module mounting yoke 145 is attached to the lower forward end 205 of the structural tube 200.
  • the mounting yoke 145 includes an upper yoke 215 and a lower yoke 220.
  • the upper yoke 215 is fixed to the forward end of the structural tube 200.
  • the lower yoke 220 is adjustably connected to the upper yoke 215 by a pair of fasteners 225, 230.
  • the upper yoke 215 and lower yoke 220 define a pair of tubular cavities 235, 240 specifically adapted for slidably receiving the caster mounting tubes 135, 140.
  • the fasteners 225, 230 can be threaded fasteners for screw-adjustment of the distance between the upper yoke 215 and the lower yoke 220, and for selectively securing the caster mounting tubes 135, 140 within the mounting yoke 145.
  • the fasteners 225, 230 can be quick-release fasteners, as used on bicycle seat posts or wheels. In this manner, the caster module 115 can be removed and replaced without the need for tools.
  • a seat post mounting tube 245 is attached to the rearward end 210 of the structural tube 200.
  • the seat post mounting tube 245 is oriented vertically, and is configured to receive a seat post 250 of the seat module 150 ( Figure 13) .
  • the seat post mounting tube 245 is configured as a bicycle seat post mount, having a quick-release clamping assembly 255 for releasably securing the seat post 250.
  • the quick-release clamping assembly includes a release lever 258.
  • a collar 260 is further provided for securing to the seat post 250.
  • the collar 260 provides additional support of the seat module 150 on the seat post mounting tube 245.
  • the collar 260 is shown in the engaged position on the seat post mounting tube 245. However, when the seat module 150 is removed from the seat post mounting tube 245, the collar 260 can remain clamped onto the seat post 250 to provide a ready reference for the installation height of the seat module 150.
  • the collar 260 further includes an alignment key 263.
  • the alignment key 263 is configured to engage a notch (not shown) in a rearward face 265 of the seat post mounting tube 245. With the collar 260 remaining mounted to the seat post 250, the seat module 150 can be readily reinstalled onto the seat post mounting tube 245 at the pre ⁇ selected height and alignment.
  • the structural tubes 190, 195 are attached to the structural tube 200 proximate its forward end 205, and extend forwardly, outwardly and upwardly therefrom.
  • the beam mounts 180, 185 are each attached to a forward end 270, 275 of a respective structural tube 190, 195.
  • the cantilevered beams 160, 165 extend rearwardly from the beam mounts 180, 185 to support the axle tube 155.
  • the angle between the structural tubes 190, 195, 200 is carefully selected to optimize the strength characteristics of the main frame assembly 130 and the balance of the modular wheel chair 100. As shown in the top plan view of Figure 8, the main frame assembly 130 presents a compact footprint in the form of a "B" with the weight bearing on the seat post mounting tube 245 arranged closely to the axle tube 155.
  • the caster module 115 is attached to the main frame assembly 130 by insertion of the caster mounting tubes 135, 140 into the caster module mounting yoke 145 and securing the fasteners 225, 230.
  • the caster mounting tubes 135, 140 are connected to a caster leg 280 having an upper transverse portion 285 and a pair of depending, forwardly directed leg portions 290, 295.
  • a foot support 300, 305 is mounted to the inward side of each leg portion 290, 295.
  • a wheel caster assembly 310, 315 is mounted to the outward side of each leg portion 290, 295.
  • the foot supports 300, 305 include a mounting bracket 320, 325 and a foot support pad 330, 335. Each foot support 300, 305 is attached to the respective leg portion 290, 295 by the mounting bracket 320, 325.
  • the foot support pads 330, 335 each include a magnetic insert 340, 345.
  • the magnetic inserts 340, 345 are configured to attract a metallic plate or tab (not shown) that can be attached to a chair occupant's foot or shoe. It is also anticipated that the magnetic insert can be placed in the occupant's shoe in order to attract the occupant's foot to a metallic foot support. The occupant's feet can thereby be retained on the foot support pads 330, 335 in an unobtrusive manner.
  • the wheel caster assemblies 310, 315 each include a wheel 350, 355 rotatably mounted in a caster frame 360, 365.
  • Each caster frame 360, 365 is rotatably mounted to a vertical swivel post 370, 375.
  • Each swivel post 370, 375 is fixedly mounted to the outward side of the respective leg portion 290, 295 by a short tube 380, 385.
  • the seat module 150 includes a seat mounting assembly 400 and a seat 405.
  • the seat mounting assembly 400 is attached to an underside 410 of a seat base 412 of the seat 405, and includes the seat post 250 for attaching the seat module 150 to the main frame assembly 130.
  • the seat mounting assembly 400 further includes a post mounting plate 415.
  • the post mounting plate 415 is configured to be mounted between two L-shaped angle brackets 420, 422 by fasteners 424, 426.
  • the L-shaped angle brackets 420, 422 include a plurality of apertures 427 for receiving the fastener 426.
  • the mounting plate 415 also includes a plurality of apertures 428 for receiving the fastener 426.
  • the L-shaped angle brackets 420, 422 are thereby adjustable in tilt angle with respect to the mount plate 415 and seat post 250.
  • the L-shaped angle brackets 420, 422 are configured to mount to a pair of rails 430, 435 mounted on the underside 410 of the seat base 412.
  • a set of fasteners 440, 445 are slidably received with a channel 450, 455 in a respective rail 430, 435, enabling the forward and rearward adjustment of the position of the seat 405 on the seat mounting assembly 400.
  • the rails 430, 435 are attached to the seat base 412 by a plurality of fasteners 460.
  • the seat 405 further includes a pair of seat sidewalls 465, 470.
  • the seat sidewalls 465, 470 can serve as armrests or as mounting bases for armrests (not shown) , and provide a barrier between the seat occupant and the main drive wheels 105, 110.
  • Each sidewall 465, 470 has a curved upper surface 475, 480 corresponding to the curvature of the main drive wheels 105, 110.
  • a lower seat back portion 485, 490 extends inwardly from the sidewalls 465, 470 at a rearward edge 500 of the seat base 412.
  • a pair of upright tubes 505, 510 extends upwardly from the sidewalls 465, 470.
  • the upright tubes 505, 510 are each pivotally connected to the respective sidewall 465, 470 about a pivot 512, 513, and can be tilted to a desired angle and locked for use.
  • the upright tubes 505, 510 support an upper seat back portion 515 and an attendant push bar 520 that is connected to and extends between the upright tubes 505, 510.
  • FIG. 17-29 a plurality of interchangeable caster modules are illustrated.
  • the illustrated special purpose caster modules are readily interchangeable with the general purpose caster module 115 of Figures 1-4 and 9-12, and are configured for attaching to the caster module mounting yoke 145.
  • FIGS 17-18 illustrate a basketball caster module 530.
  • the basketball caster module 530 includes a pair of caster mounting tubes 535, 540 and a caster leg 545, corresponding generally to the caster mounting tubes 135, 140 and the caster leg 280 of the general purpose caster module 115.
  • the basketball caster module 530 further includes a perimeter guard 550 attached to the caster leg 545 by braces 555, 560, 565, 570.
  • a pair of foot supports 575, 580 is attached to the caster leg 545, and a pair of wheel caster assemblies 585, 590 is attached to the inside of the perimeter guard 550, where they are protected.
  • FIGS 19-20 illustrate a hiking, or rough terrain, caster module 595.
  • the hiking caster module 595 includes a pair of caster mounting tubes 600, 605 and a caster leg 610.
  • the hiking caster module 595 further includes a pair of foot supports 615, 620 attached to the caster leg 610.
  • a pair of wheel caster assemblies 625, 630 is attached to the caster leg 610.
  • the wheel caster assemblies 625, 630 are attached by extended braces 635, 640.
  • the extended braces 635, 640 extended forwardly and outwardly from the caster leg 610 to increase the wheelbase and therefore the stability of the wheelchair 100. It is anticipated that the wheel caster assemblies 625, 630 will incorporate a larger or wider wheel than in the other embodiments to create a larger footprint on soft ground.
  • the main drive wheels of the wheelchair could also necessarily be provided with a larger tread.
  • FIGS 21-22 illustrate a tennis caster module 645.
  • the tennis caster module 645 includes a pair of caster mounting tubes 650, 655 and a caster leg 660.
  • the tennis caster module 645 further includes a pair of foot supports 665, 670 attached by a common mounting bracket 675 to the caster leg 660.
  • a single wheel caster assembly 680 is attached to the caster leg 660.
  • the single wheel caster assembly 680 is extended forward by the caster leg 660 to provide forward stability, but provides the advantage of providing a narrow profile to preclude interference with a tennis racket.
  • FIGS 23-24 illustrate a caster module 685 without foot supports, such as for use by a double amputee.
  • the caster module 685 includes a pair of caster mounting tubes 690, 695.
  • the caster mounting tubes 690, 695 curve forwardly and downwardly to attach to a horizontal caster leg 700.
  • a pair of wheel caster assemblies 705, 710 is attached to the caster leg 700.
  • FIGS 25-26 illustrate a pivoting caster module 715 with a quick-release mechanism 720.
  • the pivoting caster module 715 includes a pair of caster mounting tubes 725, 730 and a fixed caster leg portion 735.
  • the pivoting caster module 715 further includes a pivoting caster leg portion 740 that is pivotally attached to the fixed caster leg portion 735.
  • the pivoting caster leg portion 740 includes depending, forwardly directed leg portions 742, 743.
  • the quick-release mechanism 720 selectively pivotally locks the pivoting caster leg portion 740 to the fixed caster leg portion 735.
  • the quick-release mechanism 720 can be manually released to allow pivoting action when necessary to traverse uneven surfaces.
  • the quick-release mechanism 720 can be configured to selectively detach the pivoting caster leg portion 740 from the fixed caster leg portion 735, enabling the modular substitution of a second pivoting caster leg portion (not shown) .
  • a pair of foot supports 745, 750 is attached to the leg portions 742, 743.
  • a pair of wheel caster assemblies 755, 760 is attached to the leg portions 742, 743 by short tubes 765, 770.
  • FIGS 27-29 illustrate a skateboard-style caster module 775.
  • the skateboard-style caster module 775 includes a pair of caster mounting tubes 780, 785 and a caster leg 790.
  • the skateboard-style caster module 775 further includes a pair of foot supports 795, 800 attached to the caster leg 790.
  • a skateboard-style truck assembly 805 is attached to the caster leg 790 instead of the previously disclosed wheel caster assembly.
  • FIGS 30-31 illustrates one end of an alternative axle tube 820 having an adjustable camber mechanism 825.
  • the axle tube 820 can be used in the place of axle tube 155 in the modular wheelchair assembly 100.
  • the opposing end of the axle tube 820 carries the same structure.
  • the wheel axle 120, 125 is configured to mount to an axle socket 830 supported within the end 835 of the axle tube 820.
  • the axle socket 830 is slidably mounted within a spherical bushing 840.
  • the bushing 840 is rotatably held in the axle tube 820 by a sleeve 845.
  • the axle socket 830 includes an enlarged guide base 850.
  • the guide base 850 is configured to cooperate with a ramp section 855 within the axle tube 820, in order to angularly orient the axle socket 830 relative to the centerline of the axle tube 820.
  • the axle socket 830 further includes a central channel 852 for receiving one axle 120, 125 (not shown) .
  • the central channel 852 terminates in an enlarged cutout 853 for receiving an expanding shaft lock (not shown) for securing the axle 120, 125 in the axle socket 830.
  • the axle socket 830 is connected to a first end 860 of an extension rod 865.
  • a second end 870 of the extension rod 865 is connected to a threaded rod 875.
  • the threaded rod 875 includes a longitudinal through-slot 880.
  • a pin 885 is received in the slot 880 and is fixed to the axle tube 820 to rotationally fix the threaded rod 875.
  • the threaded rod 875 is received within an internally threaded sleeve 890 within the axle tube 820.
  • the threaded sleeve 890 is centered within the axle tube 820 by a bearing 895, and is thereby rotatable about the centerline of the axle tube 820.
  • the threaded sleeve 890 is further fixed to an externally toothed worm gear 900.
  • the worm gear 900 is centered and rotatable within the axle tube 820 by the threaded sleeve 890 and the bearing 895.
  • a worm 905 is rotatably attached to the axle tube 820 and arranged to engage the worm gear 900.
  • the worm 905 is fixed on a pin
  • the connected worm 905 engages the worm gear 900 so that the worm gear 900 rotates about the centerline of the axle tube 820, simultaneously rotating the internally threaded sleeve 890.
  • the threaded rod 875 being fixed against rotation by the pin 885, is forced inwardly or outwardly by rotation of the sleeve 890.
  • the extension rod 865 is also shifted inwardly or outwardly, pressing the axle socket 830 through the spherical bushing.
  • the adjustable camber mechanism 825 is continuously adjustable in angle without requiring removal of the wheels 105, 110.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Handcart (AREA)

Abstract

Ensemble de fauteuil roulant modulaire qui comprend un châssis comprenant un support de montage de tige de siège, un support de montage d'un module de roulettes et une paire de coupelles de suspension des roues principales. Une paire de tiges d'essieu en porte-à-faux s'étend à partir des coupelles de suspension pour monter un tube d'essieu de roue principale ayant un mécanisme de carrossage réglable pour régler le carrossage des roues principales. Pour le montage des roues principales le mécanisme de carrossage réglable reçoit les essieux de roue principale. Un module de roulettes parmi toute une sélection est monté de façon amovible et réglable sur le support de montage de module de roulettes. Un module de siège parmi toute une sélection est monté de façon amovible et réglable grâce au support de montage de tige de siège. Le support de montage de tige de siège et le support de montage de module de roulettes peuvent être équipés de mécanismes de démontage rapide. Le module de roulettes est choisi dans un groupe comprenant un module de basketball, un module de tennis et un module de randonnée.
PCT/CA2005/001754 2004-11-19 2005-11-18 Ensemble de fauteuil roulant modulaire WO2006053437A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62937304P 2004-11-19 2004-11-19
US60/629,373 2004-11-19

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WO2006053437A1 true WO2006053437A1 (fr) 2006-05-26

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011060345A3 (fr) * 2009-11-15 2011-10-06 Invacare Corporation Fauteuil roulant
US8414008B2 (en) 2011-07-09 2013-04-09 Carl M. Hay Wheelchair system
US8931583B2 (en) 2010-06-24 2015-01-13 Invacare Corporation Wheelchair
FR3026942A1 (fr) * 2014-10-13 2016-04-15 Transtech Aquitaine Fauteuil roulant handisport multi adaptable
US9532912B2 (en) 2010-03-16 2017-01-03 Invacare Corporation Wheelchair seat assembly
WO2019021055A1 (fr) 2017-07-24 2019-01-31 Disrupt Disability Ltd. Systèmes et procédés pour fauteuil roulant modulaire et permettant d'échanger des modules de conception différente

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5301964A (en) * 1993-03-29 1994-04-12 Papac James B Wheelchair
US5473963A (en) * 1994-11-17 1995-12-12 Aeschbach; James F. Magnetic bicycle pedal foot retainer
US5851018A (en) * 1996-11-12 1998-12-22 Invacare Corporation Camber adjustment assembly for a wheelchair

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5301964A (en) * 1993-03-29 1994-04-12 Papac James B Wheelchair
US5473963A (en) * 1994-11-17 1995-12-12 Aeschbach; James F. Magnetic bicycle pedal foot retainer
US5851018A (en) * 1996-11-12 1998-12-22 Invacare Corporation Camber adjustment assembly for a wheelchair

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011060345A3 (fr) * 2009-11-15 2011-10-06 Invacare Corporation Fauteuil roulant
US8727048B2 (en) 2009-11-15 2014-05-20 Invacare Corp. Wheelchair
US9532912B2 (en) 2010-03-16 2017-01-03 Invacare Corporation Wheelchair seat assembly
US8931583B2 (en) 2010-06-24 2015-01-13 Invacare Corporation Wheelchair
US8414008B2 (en) 2011-07-09 2013-04-09 Carl M. Hay Wheelchair system
FR3026942A1 (fr) * 2014-10-13 2016-04-15 Transtech Aquitaine Fauteuil roulant handisport multi adaptable
WO2019021055A1 (fr) 2017-07-24 2019-01-31 Disrupt Disability Ltd. Systèmes et procédés pour fauteuil roulant modulaire et permettant d'échanger des modules de conception différente

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