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| Number | Title | Issue Date |
| 8186700 | Wheelchair, wheelchair apparatus and wheelchair care service network system A wheelchair includes a seat, one or more wheels and a seat weight sensing mechanism. The wheel includes a brake for stopping the wheel. The seat weight sensing mechanism is placed below the seat and is connected to the brake. When the seat is loaded by a weight mor... | 05/29/2012 |
| 8177248 | Wheelchair with manual lift and methods of using same A device that detachably mounts to the front side of a wheelchair frame, or similar vehicle, to manually lift or otherwise manipulate an occupied wheelchair p and/or down stairs. The manual wheelchair lift attachment comprises a wheelchair attachment portion and a h... | 05/15/2012 |
| 8167326 | Seat cushion Seat cushions that prevent a seated handicapped individual from sliding forward on the seat, while preventing the occurrence of decubitus ulcers. The seat a seat cushion includes a resilient body having a generally rectangular-cuboid-shape. The resilient body includ... | 05/01/2012 |
| 8152188 | Hand grip motion control capabilities for a lever propulsion wheelchair A motion control system for lever propulsion of a wheelchair enables a number of different manipulations at the hand grip of the lever. In some embodiments, as many as five user-controlled operations may be performed without need to remove a hand from the hand grip.... | 04/10/2012 |
| 8132823 | Reconfigurable tilt wheelchair A modular wheelchair assembly is adapted to be reconfigured between a fixed angle of tilt, a dynamically adjustable tilt-in-space configuration with the tilt axis being near the user's knees and a dynamically adjustable tilt-in-space configuration with the tilt axis... | 03/13/2012 |
| 8118321 | Vehicle with central wheel drive, in particular a wheelchair or stand-up wheelchair The vehicle, for example a stand-up wheelchair, comprises a frame (11) and, arranged on the latter, a seat device (19). On each side of the frame (11), the central wheel (13), which can be driven by a motor (27), and the front whee... | 02/21/2012 |
| 8113528 | Twist grip steerable, lever-driven wheelchair A racing wheelchair is disclosed. The racing wheelchair may have a pair of rear wheels and a steerable single front wheel. The rear wheels may be independently driven by a lever, through a derailer and a chain, such that pushing one of the two levers will move one o... | 02/14/2012 |
| 8087684 | Wheelchair advantage mobility system A wheelchair propulsion and braking system (10) includes at least one clutch engagement disk rotatably couplable to a wheelchair frame (14). The clutch engagement disk (32) includes a gear (38) that is rotatable with the clutch engagement... | 01/03/2012 |
| 8016310 | Wheelchair retrofit assembly with multiple dimensions of adjustment An assembly for attachment of a propulsion system to a wheelchair frame includes a clamp which remains fixed to the frame, while an attachment device that enables three dimensions of adjustability permits quick release of a main wheel and the propulsion system (e.g.... | 09/13/2011 |
| 8002300 | Rear wheel mounting assembly for a wheelchair A rear wheel mounting assembly for a wheelchair having a frame with upper and lower longitudinal members vertically spaced from one another and disposed along the same side of the frame. The rear wheel mounting assembly includes an elongated upright member with a pl... | 08/23/2011 |
| 7988172 | Power-supplemented manual height-adjusting wheelchair A wheelchair having a lower frame with drive wheels and forwardly extending arms with casters and an upper frame with a seat and backrest. Linkage assemblies on opposing sides pivotably attach at a first end to the lower frame and at a second end to the upper frame.... | 08/02/2011 |
| 7988171 | Bi-folding wheelchair The present invention is directed to a bi-folding wheelchair (10) with side frames (12) and (14) that fold together with a compound scissor action moving the large rear wheels (96) to a central location while the backrest (50) is f... | 08/02/2011 |
| 7959176 | Manually propelled wheelchair device A conveyance has a plurality of wheels and, at least, first and second drive axles, which are mounted, or disposed, between the wheels. One of the wheels defines a first wheel that is rotatably mounted to one end of the first drive axle. A second of the wheels is ro... | 06/14/2011 |
| 7931288 | Medical wheelchair whose seat having a height adjustable function A medical wheelchair includes a support frame, a front bracket pivotally connected with the support frame, a rear bracket pivotally connected with the support frame, a mounting bracket pivotally connected between the front bracket and the rear bracket, a seat unit m... | 04/26/2011 |
| 7905504 | Seat A seat (14), particularly but not exclusively for a wheelchair, comprises a bottom rest (13, 60), a back rest support (18) rotatable relative to the bottom rest about an axis of rotation (100); and a back rest (22) slidably mounted... | 03/15/2011 |
| 7896376 | Wheelchair The wheelchair comprises a seat and two main wheels connected by an axle. A support device, comprising an exchangeable intermediate element consisting of an elastomer element located in the lacuna provided by the spiral turns of a spring, is detachably fixed at one ... | 03/01/2011 |
| 7871094 | Reconfigurable tilt wheelchair A modular wheelchair assembly is adapted to be reconfigured between a fixed angle of tilt, a dynamically adjustable tilt-in-space configuration with the tilt axis being near the user's knees and a dynamically adjustable tilt-in-space configuration with the tilt axis... | 01/18/2011 |
| 7845665 | Wheelchair A wheelchair according to one embodiment is provided with a frame and a seat assembly that is movable in elevation relative to the frame. The frame has a seat hinge mounted thereto, and is rotatably coupled to left and right wheels. The seat assembly has a side memb... | 12/07/2010 |
| 7841611 | Apparatus for transporting an invalid The transportation apparatus includes a frame a seat portion which slides on the frame. A leg support pivots about the seat portion. At least one middle leg and at least one rear leg depends downwardly from the seat portion. At least one middle wheel is connected to... | 11/30/2010 |
| 7837210 | Wheelchair drive system with lever propulsion and a hub-contained transmission A drive mechanism for a lever propulsion wheelchair includes at least one clutch and at least one gear set contained within a central hub housing operatively coupled to the drive surface of the main wheel being driven. In the preferred embodiment, there are addition... | 11/23/2010 |
| 7828311 | Wheelchair A wheelchair includes a wheelchair frame, a pair of rear wheels and a pair of front wheels carried by the wheelchair frame, a drive motor drivingly engaging at least one of the pair of rear wheels and the pair of front wheels, a pair of wheelchair tracks detachably ... | 11/09/2010 |
| 7828310 | Chassis structure for mid-wheel drive power wheelchair A chassis structure for a mid-wheel drive power wheelchair includes a pair of restricting racks each having a first restricting plate and a second restricting plate. Each restricting plate has a slot at a central portion thereof. A first fixing member is inserted th... | 11/09/2010 |
| 7717447 | Propulsion aid A propulsion apparatus (20) which can be mounted to a wheel (8) (or integrally formed therewith) of a vehicle, for example a wheelchair. The propulsion apparatus (20) has a first portion which can be statically attached to either a rim of the wh... | 05/18/2010 |
| 7677586 | Wheelchair drive assembly A wheelchair includes a seat carried by a frame including at least one front wheel and opposed rear wheels. A circular handrim is coupled to one of the rear wheels with spaced-apart connecting pins. A framework is secured to the handrim, and a ratchet operatively co... | 03/16/2010 |
| 7665754 | Propulsion unit for wheelchairs A propulsion unit for a wheelchair wheel with a track. The propulsion unit comprising a body having a front portion, a rear portion and a handle, at least three rollers pivotally mounted to the body, front and rear friction elements positioned in the front and rear ... | 02/23/2010 |
| 7641210 | Hand-driven wheelchair A hand-operated assembly that supplies secondary drive power and steering control to a secondary drive wheel of a wheel chair. The assembly comprises a handle that is controlled with one hand and a linkage rod that extends from the handle to an eccentric arm fitted ... | 01/05/2010 |
| 7641211 | Apparatus for transporting an invalid A transportation apparatus includes a backrest and leg support pivotably connected to a seat portion. The seat portion is slidably connected to first and second spaced apart slide rails. Each slide rail includes a plurality of telescoping members. At least one middl... | 01/05/2010 |
| 7520518 | Wheelchair A wheelchair frame member that includes a first metallic tube member, a second metallic tube member, and a tubular composite member. First and second end portions of the composite member extend into the first and second metallic tube members. The first and second en... | 04/21/2009 |
| 7520519 | Manually driven wheelchair A wheelchair includes a standard foldable frame for supporting a seat with a first and second drive wheel driven by drive levers. Each wheel has a transmission providing for three forward speeds and a reverse speed, as well as a neutral position. The transmissions f... | 04/21/2009 |
| 7510200 | Wheelchair A wheelchair having a chassis formed from a flat plate folded to define a lower chassis, a chassis back, and an upper chassis. The lower and the upper chassis each have a pair of elongated substantially parallel arms that extend from respective land portions of the ... | 03/31/2009 |
| 7464949 | Wheelchair wheel positioning system A wheelchair wheel positioning system for providing an unobstructed path into and out of a wheelchair. The wheelchair wheel positioning system includes a frame member fastened to a wheelchair frame, an actuation member pivotably connected to both a frame bar and a r... | 12/16/2008 |
| 7441633 | Apparatus for automatic brake of walking support machine The present invention relates to an apparatus for automatic brake of walking support machine which is safe on downward slopes by preventing over speed due to the acceleration of gravity and protect user on upward slopes. The present invention is devised for w... | 10/28/2008 |
| 7425007 | Wheelchair and operating means for use in such a wheelchair The invention relates to a wheelchair, including an assembly of a chair unit for a user and a support base supporting the chair unit, wherein the support base includes a number of carrying wheels for carrying the assembly, a drive element connected to the assembly f... | 09/16/2008 |
| 7419176 | Stand-up wheelchair A stand-up wheelchair with a chassis, at which two drive wheels and at least a one guidable wheel is fastened, on which a stand-up unit with a seating surface, a backrest and at least one tiltable footrest is arranged, whereby reciprocally underneath the seating sur... | 09/02/2008 |
| 7404567 | Active wheelchair The present invention relates to the art of personal mobility vehicles, particularly vehicles for the physically impaired. Particular application is found in children's wheelchairs which grow and expand with the child. However, it is to be appreciated that the prese... | 07/29/2008 |
| 7398842 | Articulating quad-drive wheelchair A self-propelled wheelchair with independently driven wheels and dual support frames connected in an articulating relationship. A front frame supports a seat and a rearward extended pivot connector. A pair of front wheels and left and right front drive units are con... | 07/15/2008 |
| 7396023 | Driving system for passing fly-over obstacles by invalid chair A driving system allows an invalid chair having a seating structure, wheels on both sides of the seating structure and at least one front stabilizing wheel, to pass obstacles. The driving system has arms secured to both sides of the seating structure and on which sh... | 07/08/2008 |
| 7396031 | Mobility device A mobility device for use by the elderly or disabled persons, that does not require standing, balancing or walking and is propelled by leg paddling of a user, is disclosed. The mobility device comprises a pair of base members, an inverted U-shaped member disposed be... | 07/08/2008 |
| 7374189 | Adjustable matrix wheelchair seat An adjustable matrix wheelchair seat can be mounted on a pair of rods such as are provided on the seat rails of a typical wheelchair or on any pair of rods adapted to be rigidly fixed to and aligned in a longitudinal direction relative to the frame of the wheelchair... | 05/20/2008 |
| 7370876 | Wheelchair suspension A side frame assembly for a wheelchair suspension includes a mainframe, and a front caster frame connected pivotally to both a front end of the mainframe and a front caster. A return spring is disposed between the front caster frame and the mainframe so as to bias t... | 05/13/2008 |
