Entries |
Document | Title | Date |
20080197598 | MOTORIZED SCOOTER WHEELCHAIR ATTACHMENT DEVICE - The present invention provides a kit for attaching a manually operated wheelchair to a motorized scooter having a seating apparatus and supporting structure and a floor, comprising: (a) a motorized scooter attachment angle iron, wherein the angle iron comprises: (i) a vertical wall; and (ii) a horizontal wall, the horizontal wall forming approximately a right angle to the vertical wall, wherein the horizontal wall has at least two embedded elongated slots; (b) an angle iron attachment adjustable bar, wherein the adjustable bar comprises (i) a left elbow shaped tubular segment having a horizontally oriented bottom end and a vertically oriented top end; (ii) a right elbow shaped tubular segment having a horizontally oriented bottom end and a vertically oriented top end; and (iii) a straight middle tubular segment having a diameter larger than the left segment and the right segment, so as to permit the left segment to insert into a left end of the middle tubular segment and so as to permit the right segment to insert into a right end of the middle tubular segment; and (c) a pair of tubular adapters, wherein each adapter comprises (i) an elbow connecting bottom end, capable of attaching to the vertically oriented top end; and (ii) a concave top end, wherein the concave top end is generally perpendicular to the elbow connecting bottom end and wherein the concave top end is open on top. | 08-21-2008 |
20080217880 | Wheelchair seat back with two-point mounting hardware - Wheelchair seat back mounting hardware permits the seat back to be mounted on various wheelchairs. The mounting hardware may be in the form of two-point mounting hardware that connects the seat back to the wheelchair and permits the seat back height to be adjusted independently of the mounting hardware location on the wheelchair. | 09-11-2008 |
20080238023 | 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 couples an inner end of a lever to the framework. The lever extends upwardly from the ratchet to the outer end allowing a user seated in the seat of the wheelchair to grasp the outer end of the lever and move the lever between a first position and a second position. The ratchet acts on the framework to impart rotation to the one of the rear wheels in response to movement of the lever between the first and second positions. | 10-02-2008 |
20080252036 | 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 for the two wheels may be constructed of identical parts with the wheels being caused to rotate in opposite directions from the driving lever merely by reversing the direction of the pawls within the transmissions. The ratchet drive surfaces are provided with pawl engaging surfaces which may be driven in either of two directions. The wheelchair does not require any bulky equipment and the hub containing the transmission may be the size of a bicycle hub. The transmissions in both wheels are shifted by a single control. The wheelchair is provided with disk brakes. | 10-16-2008 |
20080265542 | Bi-Folding Wheelchair - The present invention is directed to a bi-folding wheelchair ( | 10-30-2008 |
20080290629 | Handling Device for Persons With a Limited Gripping Function and Also Wheelchair Comprising a Device of This Type - A handling device for persons with a limited gripping function, in particular for gripping utensils such as pens, comprising an orthotic support adapted to be secured to a part of the body of the person; a utensil holder situated on the support, wherein the utensil holder includes gripping means; and a pneumatic, electric, or magnetic drive system or a combination thereof operative on the gripping means. Also described is a wheelchair, comprising the aforementioned handling device, thus allowing optimum carrying and operation or use of the device. | 11-27-2008 |
20080309046 | Mechanism for reducing and folding a person carrying vehicle and a method for operating same - A person carrying vehicle includes a main frame, a seat pivoted on the main frame, a front frame, an articulate supporting member connecting the main frame and the front frame, and a telescopic steering mechanism pivoted on the front frame; by means of pivoting supporting rods of the seat downwards, folding the articulate supporting member as well as shorting and pivoting the steering mechanism, the vehicle can be reduced into a not-in-use configuration, wherein the supporting rods and a seat pad are received in a hollow holding portion of the main frame, a footrest board of the front frame hidden under the main frame, and a tube part of the steering mechanism is received in grooves on the seat; the vehicle has a lift handle at a front, and auxiliary casters at a rear, which are used for the vehicle to be moved in a sloping position on the floor. | 12-18-2008 |
20080309047 | Reversible wheelchair - A wheelchair having a rotatable vertically adjustable seat that can rotate at least 180 degrees. A vertical adjustment means adjusts the seat from a base position to an elevation above the diameter of the wheel chair drive wheels. The seat can swivel or be fixed by an anti-rotation means. The wheelchair can be conventionally configured with guide wheels forward or reversed with drive wheels forward for use on rough ground or uneven surfaces. | 12-18-2008 |
20080309048 | Removable Wheel Support Device For a Wheelchair | 12-18-2008 |
20080315549 | All terrain adapter for a wheelchair - An all terrain adapter for a wheelchair that removably clamps onto the foot support of the wheelchair and supports a relatively large diameter, slightly inclined swivelling nose gear wheel at an extended distance from the foot support to stabilize the wheelchair when it is being pushed over soft or uneven surfaces and which swivels around when the wheelchair is moved forward to lift the front wheels of the wheelchair clear of the ground. | 12-25-2008 |
20090039612 | 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 rotatably mounted to one end of the second drive axle. The conveyance further includes a first actuation device for the first drive axle, on the opposite end of the first drive axle from the first wheel and proximate to the second wheel, and a second actuation device for the second drive axle on the opposite end of the second drive axle from the second wheel and proximate the first wheel. The first actuation device is selectively operated to apply a selective relative rotation to the first wheel and the second actuation device is selectively operated to apply a selective relative rotation to the second wheel. | 02-12-2009 |
20090045599 | 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 being near the user's center of gravity. The reconfiguration is achieved by modifying a limited number of selectively removable components of the support assembly or the pivot assembly of the wheelchair. | 02-19-2009 |
20090058035 | 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 to a one-way clutch assembly at a secondary drive wheel support axle. Reciprocating up-down, pivoting movements of the handle over a range Y′ in the Y axis directs a linkage rod to rotate an eccentric arm fitted to a one-way clutch and a drive axle of a small diameter, secondary drive wheel. Independent 360° rotation of the handle about a second, horizontal or Z axis steers the secondary drive wheel. A portion Y′ of the range of handle motion directs a flange at the linkage arm to engage a brake piece that contacts the secondary drive wheel. Large diameter, hand driven, primary drive wheels are separately available to the user for effecting normal chair conveyance. | 03-05-2009 |
20090072510 | WHEELCHAIR SUITABLE FOR PERFORMING ABDUCTION ACTIONS - A wheelchair for carrying out abduction actions is proposed, which is fitted with a frame ( | 03-19-2009 |
20090079159 | FOLDABLE WHEELCHAIR - A foldable wheelchair includes a frame having a seat bottom and a seat back movable relative to the seat bottom, wherein the seat back can be moved between a folded position such that the seat back extends generally parallel to a plane defined by the seat bottom and one or more unfolded positions to provide back support to a user. The foldable wheelchair can have a leg support movable relative to the seat bottom and can be moved between an unfolded position to support a user's legs and a folded position such that the leg support extends generally parallel to said plane defined by the seat bottom. In the folded position, the seat back, seat bottom and leg support define generally parallel planes. | 03-26-2009 |
20090085321 | 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 plurality of spaced apart recesses arranged longitudinally along an inward face. The elongated upright member includes a clamp disposed at each of its ends. One of the clamps is clamped to the upper longitudinal frame member and the other to the lower longitudinal frame member. The rear wheel mounting assembly includes a camber clamping assembly having an aperture for receiving and retaining an axle of a rear wheel and a removable clamp having a clamping surface engaged with a portion of the elongated upright member. The clamping surface comprises a projection received within one of the recesses of the elongated upright member. | 04-02-2009 |
20090102157 | Wheel Chair | 04-23-2009 |
20090146389 | 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 member hingedly coupled to the seat hinge and a seat back hingedly coupled to the side member such that the seat back can be maintained at a constant angle relative to the frame when the side member pivots about the seat hinge and moves the seat assembly between multiple elevations. The wheelchair also comprises a lockable spring hingedly mounted to the frame and to the seat assembly; the spring is lockable at multiple positions thereby locking the seat assembly at the multiple elevations. This spring can be sufficiently elastic to suspend the seat assembly and absorb shock at each of the locked multiple elevations. | 06-11-2009 |
20090166996 | Wheelchairs and Wheeled Vehicles Devices - A wheelchair comprising: three or more ground-engaging wheels; and a user seat, the user seat forming a structural member or monocoque on which the ground-engaging wheels are supported; wherein at least one of the wheels is connected to the seat by a support member, the length of the support member being adjustable during use. Also provided is a wheelchair or other wheeled vehicle, wherein at least one ground-engaging wheel is connected to a pivotable hub, and the said wheel is adjustable. Also provided is a wheelchair, wherein a ground-engaging wheel on each side of the wheelchair is provided with a brake. Also provided is a wheelchair or other wheeled vehicle in which one or more ground-engaging wheels are provided with ratchet means. A coupling arrangement for releasably joining two structural members is also provided. Also provided is a wheelchair including a rear castor with a detent mechanism. | 07-02-2009 |
20090174168 | WHEELCHAIR ADAPTED TO STAIRCASES - The invention concerns a wheelchair (1) comprising: a chassis (2) supporting a seat; two rear wheels (4) of large diameter, mobile relative to the chassis between a low position for normal use and a raised position for climbing a staircase, an auxiliary drive mechanism for climbing a staircase. | 07-09-2009 |
20090206574 | Lever Drive Wheelchair Transmission - A manual propulsion mechanism for wheelchairs utilizes a lever pivotally mounted to the hub of each rear wheel such that the wheelchair user can propel the chair with push/pull movements of the levers. Forward and reverse propulsion directions are accomplished by a system of one-way reversible clutches contained in the propulsion wheel hubs which also allow the levers to be operationally disconnected such that the chair can freewheel. Operator control of direction shifting is through twisting motions imparted to the grip handles of the propulsion levers. In a preferred embodiment, improved ergonomics for propulsion direction changes are made possible by an improved short excursion clutch shifting mechanism that reduces the angle of arc through which the operator must twist the grip handle to effect the direction change. This allows the operator to retain a comfortable, stable grip on the grip handle while simultaneously propelling and controlling direction of movement. | 08-20-2009 |
20090218784 | Multi-Position Wheelchair for Handicapped People - According to the invention, the wheelchair is characterised in that it includes means to incline the whole seat structure, and inclining means that are interposed between the chassis and the lifting means and that include at least:
| 09-03-2009 |
20090230652 | Seat Supporting Assembly and Wheelchair Including Same - A seat supporting assembly ( | 09-17-2009 |
20090267315 | SEAT | 10-29-2009 |
20090273156 | PLANETARY GEAR TRANSMISSION AND VEHICLE USING SAME - This invention touches the planetary gear type transmission which is comprised of a pair of single planetary gear rows are combined, and a carrier of one side and a ring gear of the other side are integrated, and a housing of a transmission is formed with the help of two carriers which operate as an input side and an output side, respectively. The transmission work is implemented by controlling the each sun gear which is rotatably installed at the fixed center shaft to engage or disengage with said center shaft or by controlling an integration and a disintegration of two sun gears. This invention gives the planetary gear type transmission a compact size and a light weight because the carrier plays a role for the housing. The center shaft can be engaged and disengaged with the body of the vehicle. One can choose any mode in an acceleration mode, a deceleration mode and a direct connection mode, without using the clutch and under any mode the planetary gear type transmission transmits the driving force in both ways. | 11-05-2009 |
20090283983 | Wheelchair construction - A wheelchair construction has an undercarriage with lateral struts, a rear axle and a seat. A pair of connection adapters are connected with the lateral struts and the rear axle, and have a circular arc-shaped portion. A pair of seat supports are connected with the seat, and have a circular arc-shaped portion which mates with, is received in, and is supported by the circular arc-shaped portion of the connection adapters to facilitate selected angular shifting of the seat supports relative to the connection adapters for adjusting the tilt angle of the seat. | 11-19-2009 |
20090295119 | Wheelchair advantage mobility system - A wheelchair propulsion and braking system ( | 12-03-2009 |
20100038880 | MODULAR AND/OR CONFIGURABLE WHEELCHAIR APPARATUS - A wheelchair comprising a modular and adjustable configuration. The wheelchair comprises a mainframe, a seat assembly, and a caster wing assembly. According to an embodiment, the seat assembly includes adjustable side guards and/or a backrest. According to an embodiment, the wheelchair includes a suspension system coupled between the mainframe and the seat assembly. According to an embodiment, the caster wing assembly includes an adjustment mechanism for adjusting the horizontal and/or vertical position of the footrest with respect to the mainframe. According to another embodiment, the caster wing assembly includes a leg or calf rest member having a comfort shaped profile. According to another embodiment, the seat assembly comprises a structurally independent component. According to another embodiment, the caster wing assembly comprises a structurally independent component. According to another embodiment, the mainframe comprises a structurally independent component. | 02-18-2010 |
20100090436 | ATROPHY-REDUCING MOVABLE FOOT SUPPORT APPARATUS - Gentle and substantially linear vertical motion of a wheelchair foot support is expected to provide superior results for maintenance of a wheelchair user's leg muscle mass' thus reducing atrophy of the wheelchair user's legs. Additionally, gentle continuous motion of the foot support is expected to aid in maintaining elasticity of the wheelchair user's leg joint ligaments' thus reducing contractures. Accordingly, an atrophy-reducing wheelchair includes a movable foot support mounted to a linkage that is movably connected to the wheelchair frame. As the wheelchair moves in normal operation, rotation of a wheelchair wheel drives the linkage to provide substantially linear vertical reciprocation of the foot support. | 04-15-2010 |
20100090437 | Wheelchair Comprising A Foot Support - A wheelchair comprises a pair of spaced apart side frame tubes and a pair of foot support frames. Each of the foot support frames has a first end configured to connect to the side frame tubes and a second end configured to receive a cross member. The cross member interconnects the second ends of the foot support frames and supports a foot support assembly. | 04-15-2010 |
20100102529 | Wheelchair with Suspension Arms for Wheels - Each wheel ( | 04-29-2010 |
20100117328 | Stabilized Mobile Unit or Wheelchair - The present invention relates to a mobile vehicle or wheelchair having the ability to provide stabilized transport to at least one individual on a variety of surfaces, slopes and/or terrains. In one aspect, the invention provides adjustment features allowing the mobile vehicle or wheelchair to accommodate individuals of various sizes and shapes. For example, the invention comprises a seat and an adjustable footrest which can be lengthened or shortened to accommodate different size individuals, including children. In one embodiment the distance between the footrest and the seat can be increased or decreased to accommodate different leg lengths of different individuals. The mobile unit or wheelchair of the invention may travel across smooth and very rough surfaces, slopes of varying or different angles and various outdoor terrains (including grassy, rocky, sandy, muddy and/or hilly terrains). In one aspect of the invention, the height of any part of the unit or the overall height of the device may be adjusted preferably to raise or lower the center of gravity. For example, the height of the device may be lowered to provide more stable transportation. In another aspect, the device may be adjusted to increase or decrease the size of the footprint (or any part of the footprint) of the device. For example, the footprint of the device may be enlarged to provide more stable transportation. Preferably, both the height of the device (or any part of the device) and the size of the footprint (or any part of the footprint) may be adjusted preferably to provide more stability. | 05-13-2010 |
20100140898 | MOBILE CHAIR ASSEMBLY - A mobile chair assembly includes a pair of wheels rotatably supported by a frame, a seat assembly mounted to the frame; and a transfer board assembly movable between a first position and a second position. The transfer board assembly includes a rigid transfer board and an attachment assembly. In the first position, the rigid transfer board and the attachment assembly are disposed under the seat assembly and in the second position, the rigid transfer board extends laterally from the seat assembly. The seat assembly includes a seat support pivotable relative to the frame; and a back support pivotably attached to a back of the seat support. In a folded position, the seat support and back support form an acute angle to one another and the seat support is inclined relative to the frame. | 06-10-2010 |
20100148466 | 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. Power cylinders attached on opposing sides are extendable between the upper frame and the lower frame and are lockable from moving from a selected position. When unlocked, the power cylinders apply a supplemental force in association with a force applied by a user on the drive wheels for moving the upper frame relative to the lower frame guided by the linkage assembly. A method of adjusting the seat height of a wheelchair is disclosed. | 06-17-2010 |
20100156064 | Wheelchair with Enhanced Toilet Accessibility - A wheelchair with enhanced toilet access which facilitates independent use of the wheelchair by the user without intervention by caregivers. The wheelchair with enhanced toilet access includes a frame which includes a pair of laterally-separated side frame portions, with primary wheels as well as at least one secondary wheel rotatably mounted on the frame. A seat extends between the side frame portions, and includes a stationary portion and a movable portion. | 06-24-2010 |
20100187791 | 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 shape. The resilient body includes a frontal portion having a front end and a rear end, and which is fabricated from materials having a first density, and a rear portion having a front end and a rear end, and is fabricated from materials having a second density. The first density is substantially higher than the second density. Preferably, the resilient body is fabricated out of a sturdy foam material. Preferably, the seat cushion further includes a protective cover wrapping the resilient body. | 07-29-2010 |
20100194071 | WHEELCHAIR HAVING HEIGHT-ADJUSTABLE AXLE MOUNTS - A wheelchair frame assembly comprises a frame member having a first leg adapted to support a seat and a second leg configured to support a caster wheel. An axle mounting assembly connects an axle tube to the frame member. The axle mounting assembly includes an axle tube mount, a frame mount, and a spacer. The spacer is configured to alter the distance between the frame member and the axle tube and transfer longitudinal forces between the axle tube mount and the frame mount. | 08-05-2010 |
20100225086 | Structure, Components and Method for Constructing and Operating an Automatically self locking manually propelled vehicle such as a wheel chair - Several new and useful concepts for a manually propelled vehicle such as a wheel chair are provided. In one concept, the vehicle is configured to be selectively placed in an automatic lock condition in which (i) the wheel chair can move in a conventional manner while an occupant is seated in the wheel chair, and (ii) the wheel chair is automatically locked against movement when an occupant begins to rise from a seated position on the wheel chair. In another concept, a particularly secure structure is provided for locking the wheel of the wheel chair against movement. In yet another concept, important components of the wheel chair are formed in a manner that facilitates assembly of those components into the wheel chair, by an internal fastening system and in a modular fashion. | 09-09-2010 |
20100244400 | METHOD AND SYSTEM FOR DISPOSAL OF WASTE - A waste disposal system, the waste disposal system including: (a) a sitting surface, for supporting a body of a user; and (b) a flexible basin including a drainage hole at a lower part of the flexible basin, wherein a rim of the flexible basin is connected to the sitting surface; wherein a shape of the flexible basin may take a first shape and a second shape, the first shape being a non-operational shape, and the second shape being a basin for guiding urine of the user to the drainage hole; wherein a distance between the sitting surface and the drainage hole is different between the first shape and a second shape. | 09-30-2010 |
20110018221 | WHEELCHAIR HAVING REVERSIBLE SEAT RAIL SUPPORT STRUCTURE - A support element is configured to position a wheelchair seat rail and a frame member relative to each other. The support element has a first end configured to freely admit and release one of the seat rail and the frame member and a second end configured to releasably retain the other of the seat rail and the frame member. | 01-27-2011 |
20110018222 | Caster Strut, Wheelchair Frame and Wheelchair - A wheelchair has a frame including left and right frame members, each frame member having a first leg configured to support a seat, and a second leg configured to support front caster wheels, the first leg extending substantially horizontally and the second leg extending substantially downward from the first leg. The wheelchair also has a caster strut attached to the second leg of each frame member. The caster strut has first and second strut sections. The first strut section is fixed to the second leg and arranged substantially horizontally. The second strut section is arranged substantially vertically and provides, at a lower end, a mounting for the caster wheel. The caster strut further contains a curved section intermediate the first and second strut sections. | 01-27-2011 |
20110025014 | Wheelchair Frame and Wheelchair with Cross-Brace - A wheelchair frame includes left and right first frame members, each having a first leg for supporting a seat. The first legs are arranged on opposite sides of a central axis of the wheelchair. At least one cross-brace is connected, by the ends, to the first legs of the left and right frame members. The cross-brace has a non-circular cross-section along a section between the ends. The wheelchair frame includes left and right second frame members that are pivotally connected to the left and right first frame members. The second frame members are foldable and may be fixed in a position in that is generally parallel to the first legs of the left and right first frame members. A cross-brace is connected, by the ends, to the left and right second frame members. The cross-brace has a non-circular cross-section along a section between the ends. | 02-03-2011 |
20110068553 | 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 being near the user's center of gravity. The reconfiguration is achieved by modifying a limited number of selectively removable components of the support assembly or the pivot assembly of the wheelchair. | 03-24-2011 |
20110121535 | CIRCULATION ASSISTING WHEELCHAIR - Gentle and substantially linear vertical motion of a wheelchair foot support is expected to assist lower limb circulation for a user with limited leg mobility, reducing risks of clotting or blockage within peripheral blood vessels. Additionally, to whatever extent limb atrophy may be reduced by imposed motion, motion of the foot support may help in maintaining muscle mass and flexibility of ligaments. Accordingly, a circulation assisting wheelchair includes a foot support movably connected to the wheelchair frame by a movable foot support assembly. The movable foot support assembly is connected to a rear wheel of the wheelchair via a drive train, so that normal operation of the wheelchair drives substantially linear vertical oscillating motion of the foot support. | 05-26-2011 |
20110127748 | MANUAL WHEELCHAIR 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 up and/or down stairs. The manual wheelchair lift attachment comprises a wheelchair attachment portion and a handhold member for lifting that is connected by connecting arms. The wheelchair lift attachment apparatus may be adjustable to be configured with different sized wheelchairs. The invention also relates to a wheelchair having a permanent wheelchair frame that operably accepts a lifting mechanism apparatus. The invention also relates to a method of using the foregoing attachment and permanent configuration to transport an occupied wheelchair up and/or down stairs or otherwise maneuver the occupied wheelchair about other similar obstacles. | 06-02-2011 |
20110175320 | STABILIZED MOBILE UNIT OR WHEELCHAIR - The present invention relates to a mobile vehicle or wheelchair having the ability to provide stabilized transport to at least one individual on a variety of surfaces, slopes and/or terrains. In one aspect, the invention provides adjustment features allowing the mobile vehicle or wheelchair to accommodate individuals of various sizes and shapes. For example, the invention comprises a seat and an adjustable footrest which can be lengthened or shortened to accommodate different size individuals, including children. In one embodiment the distance between the footrest and the seat can be increased or decreased to accommodate different leg lengths of different individuals. The mobile unit or wheelchair of the invention may travel across smooth and very rough surfaces, slopes of varying or different angles and various outdoor terrains (including grassy, rocky, sandy, muddy and/or hilly terrains). In one aspect of the invention, the height of any part of the unit or the overall height of the device may be adjusted preferably to raise or lower the center of gravity. For example, the height of the device may be lowered to provide more stable transportation. In another aspect, the device may be adjusted to increase or decrease the size of the footprint (or any part of the footprint) of the device. For example, the footprint of the device may be enlarged to provide more stable transportation. Preferably, both the height of the device (or any part of the device) and the size of the footprint (or any part of the footprint) may be adjusted preferably to provide more stability. | 07-21-2011 |
20110215547 | ERGONOMICAL MULTI-SPEED WHEELCHAIR - This invention relates generally to mechanics, and more specifically, to systems and methods for providing an ergonomical multi-speed wheelchair. In one embodiment, the invention includes a vehicle for providing ergonomical operation, the vehicle including a frame, the frame having a rear wheel and a front wheel, the rear wheel being rotationally coupled to the frame via a rear wheel shaft, the frame including a drive linkage pulley; a drive bar, the drive bar being slidably mounted to the frame; a slotted reel, the slotted reel mounted on the rear wheel shaft; and a drive linkage, the drive linkage mounted to the drive bar, the drive linkage looping over the drive linkage pulley before being coupled to the slotted reel, wherein sliding the drive bar towards the drive linkage pulley results in the drive linkage coiling around the slotted reel, wherein sliding the drive bar away from the drive linkage pulley results in the drive linkage uncoiling from the slotted reel, and wherein uncoiling of the drive linkage operates to rotate the rear wheel shaft and the rear wheel to propel the frame. | 09-08-2011 |
20110221161 | ADJUSTABLE FRONT CASTER MOUNT ASSEMBLY FOR A WHEELCHAIR - A caster mount assembly for a front caster of a wheelchair. The assembly includes a first rotatable body having a first plurality of non-uniformly spaced apart apertures and a second rotatable body having a second plurality of non-uniformly spaced apart apertures. The first and second rotatable bodies may be rotated relative to one another along a common axis of rotation to align a selected one of the first apertures with a selected one of the second apertures. The first rotatable body is non-rotatably coupled to the second rotatable body by a first coupler after the selected first aperture and second aperture have been aligned. A bearing fork assembly is non-rotatably coupled to the second rotatable body for rotation therewith. The second rotatable body may be rotated to orient an upright pivot pin of the bearing fork assembly substantially perpendicular to a support surface. | 09-15-2011 |
20110221162 | MONO-FORK FOR A FRONT CASTER OF A WHEELCHAIR - A mono-fork assembly for a front wheel of a wheelchair. The assembly includes a mono-fork member, an axle, and a retaining member. The mono-fork member has a single tine with a threaded aperture formed therein. The front wheel is rotatable on the axle. The axle has a distal end and a threaded proximal end. The proximal end is configured to be threaded into the threaded aperture of the tine and may be permanently bonded therein. A retaining member is coupled to the distal end of the axle to retain the front wheel on the distal end as the front wheel rotates about the axle. The mono-fork member may include a collar portion aligned along a steering axis for rotation thereabout. The mono-fork assembly may include a bumper configured to extend circumferentially about the collar portion within a circumferential groove formed in the collar portion. | 09-15-2011 |
20110254245 | 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 of the wheels but not the other. The front wheel is steerable by twist grips located at the removed end of the levers. Brake assemblies and shifter assemblies of the derailers are located adjacent the twist grip, and may be rigidly mounted to the push lever or mounted to the twist grip to rotate therewith | 10-20-2011 |
20110291381 | WHEELCHAIR HAVING AN ADJUSTABLE SEAT - A wheelchair having an adjustable seat includes a seat frame including first and second side support members. The side support members are extendable between a first position defining a first length and a second position defining a second length greater than the first length. A seat member is coupled at a first side thereof to the first side support member and at a second side thereof to the second side support member. The seat member extends between the first and second side support members to define a seat area having an initial depth corresponding to the first length of the side support members and a width corresponding to a distance between the side support members. The seat member includes an auxiliary portion for extending the seat member to an extended depth corresponding to the second length of the side support members. | 12-01-2011 |
20120013098 | WHEELCHAIR MODULAR REAR SUSPENSION - A modular rear suspension system resiliently supports a wheelchair. The system includes a suspension mount having an upper shackle and a link arm mount. The link arm mount of the suspension mount has an upper pivot and a lower pivot. An axle tube is configured to rotatably support a pair of rear wheels, and an axle tube clamp engages an end of the axle tube. The axle tube clamp has a pivot and a lower shackle. The axle tube includes a link arm tube mount having a pivot. An upper link arm is supported for pivoting movement between the link arm mount upper pivot and the link arm tube mount pivot. A lower link arm is supported for pivoting movement between the link arm mount lower pivot and the axle tube clamp pivot. A resilient member is pivotally connected between the upper and lower shackles. | 01-19-2012 |
20120038128 | WHEELCHAIR - A wheelchair has a car body of which rear and bottom wall portion are opened, a seat to be divided into right and left portions, a device for moving the right or left portion of the seat, and a holding plate provided on the car body for holding the device for moving the portion of the seat. The device has a link for connecting the seat portion to the car body, and an operation rod for operating the link so that the seat portion is moved between an opened position and a closed position, respectively. Wheels for supporting the car body, brake for the wheel, a brake operation device for operating the brake, a device is provided for synchronously driving the seat moving device and the brake operation device. | 02-16-2012 |
20120068435 | DRIVE ASSISTANCE DEVICE, WHEELCHAIR AND METHOD FOR DETERMINATION OF THE PHYSICAL EFFICIENCY AND MUSCULAR EFFORT DATA OF A WHEELCHAIR DRIVER - A drive assistance device for a wheelchair includes a drive motor, a running wheel and a sensor device which is adapted to determine a driving force manually induced into the running wheel; and a control unit which is adapted to control the drive motor for driving the running wheel depending on the driving force manually induced by the user into the running wheel. The control unit of the drive assistance device includes a user force analysis operational mode which is adapted to determine data concerning physical efficiency and capacity of the user. These include a maximum force of the user as well as the maximum speed which can be reached with purely manual drive. | 03-22-2012 |
20120104724 | 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 being near the user's center of gravity. The reconfiguration is achieved by modifying a limited number of selectively removable components of the support assembly or the pivot assembly of the wheelchair. | 05-03-2012 |
20120169025 | ASYMMETRIC OPEN-ACCESS WHEEL CHAIR - An asymmetric wheelchair is disclosed having a forward wheel assembly with a forward wheel support on one side of the wheelchair leaving an opening for ease of access on the other side. | 07-05-2012 |
20120169026 | ASYMMETRIC OPEN-ACCESS WHEEL CHAIR - An asymmetric wheelchair is disclosed having a forward wheel assembly with a forward wheel support on one side of the wheelchair leaving an opening for ease of access on the other side. The asymmetric wheelchair can, in some embodiments, be formed by connecting an asymmetric forward wheel support to the frame of an existing symmetric wheelchair. | 07-05-2012 |
20120181771 | Systems and Methods for Assisting a Seated Person to a Standing Position - A walker device including a walking aid and a lifting arm attached to, and extending in an approximate vertical direction from, the walking aid. The walking aid may include two front legs and two back legs. The walking aid may include two or more wheels attached to the bottom of the two front legs and/or two back legs. The walking aid may be a multiple-legged cane. The walking aid may be a wheeled mobility device. The lifting arm may include a gripping handle positioned at its approximate distal end. | 07-19-2012 |
20120267873 | Wheelchair Device - A wheelchair comprises a hub-enclosing open ring engaging a hub disposed in a wheel rotatably, bars extending from two ends of the hub-enclosing open ring, an crescent-shaped cap member fixed to the bars above the tube portion, a power handle engaging the crescent-shaped cap member rotatably through an L-shaped end of the power handle, a wheel-holding plate fixed to the power handle with an angle and covered by the crescent-shaped cap member. The wheel-holding plate comprises a holding edge for pressing down on and holding the wheel. The hub-enclosing open ring, the bars, and the cap member are fixed to one another and configured to rotate about the hub, and the holding edge of the wheel-holding pate is configured to be pressed down on and engaged firmly to the wheel such that the wheel rotates about the hub by pushing and pulling the power handle. | 10-25-2012 |
20120292877 | MOBILE ROCKING PATIENT CHAIR AND METHOD OF USE - A mobile patient chair and method of transferring a patient include providing a mobile patient chair with a seat portion and an undercarriage supporting the seat portion, where the undercarriage includes a set of four wheels providing mobility to the patient chair, a left wheelchair-type wheel coupling member, a right wheelchair-type wheel coupling member, and a pair of levers operable to move the wheelchair-type wheel coupling members away from a flooring surface upon which the patient chair is supported. The method includes manipulating each of the levers in a first direction, coupling wheelchair-type wheels to the wheelchair-type wheel coupling members, manipulating the levers in a second direction, and manipulating the coupled wheelchair-type wheel to cause the mobile patient chair to move. | 11-22-2012 |
20120292878 | MOBILE ROCKING PATIENT CHAIR AND METHOD OF USE - A mobile patient chair includes a seat portion and an undercarriage coupled to and supporting the seat portion, where the undercarriage includes a frame having a set of rollers and a rocking mechanism coupling the seat portion to the frame. The chair has a rolling mode, whereby the set of rollers rotate and allow the mobile patient chair to move from a first location to a second location and a rocking mode, whereby the rocking mechanism is operable to move the seat in a substantially forward and backward translating movement relative to the frame. A lockout member renders the rolling mode and the rocking mode mutually exclusive. | 11-22-2012 |
20120292879 | TRANSPORT CHAIRS - In some embodiments, a transport chair includes a base frame, a seat assembly pivotally mounted to the base, and a footrest assembly pivotally mounted to the base frame, the footrest assembly being associated with the seat assembly so as to pivot in unison with the seat assembly until the seat assembly is pivoted forward to an extent at which the footrest assembly contacts the floor or ground, at which point the footrest assembly does not pivot further upon further forward pivoting of the seat assembly. | 11-22-2012 |
20120306178 | Child Mobility Chair - A mobility chair is arranged for a high degree of maneuverability, and is particularly useful for handicapped individuals in need of a highly stable and maneuverable carriage. The mobility chair may be particularly useful for children, and includes a seat positioned between first and second wheels of a first wheel set, wherein the axial spacing dimension of the first and second wheels is greater than the axle height. The mobility chair is arranged for pivotability about the first wheel set axle to permit the user to freely pivot forward while in the seat of the chair, with the pivoting being limited in both circumaxial directions about the axle axis. | 12-06-2012 |
20120326414 | SENSOR ARRANGEMENT - A sensor arrangement for a wheelchair wheel that has a running wheel with a hub and a hand rim includes a running wheel fastening arrangement that is fastened to the running wheel, a hand rim fastening arrangement that is fastened to the hand rim and at least one sensor that detects a movement of the hand rim fastening arrangement relative to the running wheel fastening arrangement. Two restoring elements are provided on the running wheel fastening arrangement and rest against the hand rim arrangement with a prestressing force at least in the zero position. Both restoring elements rest against at least one stop of the running wheel fastening arrangement in the zero position of the sensor arrangement. | 12-27-2012 |
20130062858 | 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 being near the user's center of gravity. The reconfiguration is achieved by modifying a limited number of selectively removable components of the support assembly or the pivot assembly of the wheelchair. | 03-14-2013 |
20130154231 | WHEELCHAIR AND A METHOD FOR PRODUCING SAID WHEELCHAIR - A collapsible wheelchair (CW) may be relatively small and lightweight and may be adapted to be easily collapsed/folded into a callable faint, allowing for easy storage, transport and use. The CW may be adapted to be collapsed/folded and expanded/unfolded in a series of simple steps, executable with one hand, by a person in a seated position, allowing for independent use even by a user with limited physical capabilities. The CW may have a relatively small width, allowing for access into constricted spaces. The rear and interior space between its large wheels may be unobstructed, leaving an unobstructed inner width, allowing the CW to be maneuvered in reverse over standing objects, such as a standard toilet. The seat of the CW may be equipped with a trap door, to allow the use of a toilet while seated on the CW. The rim may be beneath the seat for cleanliness. | 06-20-2013 |
20130154232 | WHEELCHAIR - A wheelchair for transportation of disabled includes a chassis and a plurality of wheels fixed to either end of chassis. At least one vertical support member is mounted at a predetermined location on the chassis to support a plurality of tubular fixator. A seat is joined to the tubular fixator which is pivoted onto the vertical support member and a plurality of friction knobs are provided on the tubular fixator to lock the horizontal and vertical movement of tubular fixator. | 06-20-2013 |
20130161922 | LEG SUPPORT ASSEMBLY FOR USE WITH A WHEELCHAIR AND METHODS OF ASSEMBLING SAME - A leg support assembly for use with a wheelchair is described herein. The wheelchair includes a frame, a seat assembly coupled to the frame, and a pair of legs extending outwardly from the frame. The pair of legs includes a first leg and a second leg spaced a distance from the first leg such that a gap is defined therebetween. The leg support assembly includes a support member that includes a first end that is removably coupled to the first leg and a second end that is removably coupled to the second leg. The support member also includes a flexible substrate material that extends across the leg gap to prevent a patient seated in the wheelchair from entering the gap. The leg support assembly also includes a fastening assembly that is coupled to the support member to facilitate coupling the support member to the wheelchair. | 06-27-2013 |
20130161923 | Suspension Seat For Use On Wheelchair - A suspension seat comprises a structural layer and a stretchable top layer above the structural layer. The structural layer comprises a cut-out. The perimeter of the cut-out is defined by a plurality of discrete members. The discrete members allow the buttocks (i.e., the tissue surrounding the ischial sacrococcygeal aspects of the skeleton) of a wheelchair user to enter into the cut-out with gradual pressure minimizing high pressure concentrations at the edges of the cut-out. The stretchable top layer bears load via tension as the wheelchair user buttocks deflects into the cut-out. | 06-27-2013 |
20130187355 | WHEELCHAIRS - The invention relates to a wheelchair for example a wheelchair for an active user, a method of manufacturing a wheelchair and a wheel for a wheelchair. In further aspects the invention relates to a wheelchair, a footrest for a wheelchair, a wheelchair having a light, and a seat back for a wheelchair, a wheelchair that is water resistant. | 07-25-2013 |
20130187356 | Assist Device with Standing Aid for Adding to a Wheelchair, a Wheelchair Integrated with such an Assist Device and Method for Manufacture Thereof - The disclosure relates to an assist device which can be coupled to a wheelchair. | 07-25-2013 |
20130257009 | Adjustable Wheelbase Wheelchair - A wheelchair chassis may include a first and second side frame positioned substantially parallel to and at a width apart from one another. The chassis may also include a first and second receiver tube positioned substantially parallel to and coupled to the first and second side frames, respectively. The chassis may additionally include a first and second extension tube telescopically engaged with the first and second receiver tubes, respectively. The chassis may further include a first and second cross member, with the first cross member pivotally coupled to the first receiver tube and the second extension tube and the second cross member pivotally coupled to the second receiver tube and the first extension tube. The second cross member may be engaged to the first cross member in an X-shaped configuration disposed horizontally between the side frames, where the second cross member is substantially co-planar with the first cross member. | 10-03-2013 |
20130257010 | Automatic Braking Device and Method - An automatic braking assembly and method are provided, where the automated braking assembly is formed as a complete unit, and is configured to be connected with a manually propelled vehicle. The automatic braking assembly that is formed as a complete unit includes (a) a housing, and (b) an automatic braking mechanism supported within the housing. The housing is configured to be connected with a portion of the vehicle to locate the automatic braking assembly in a predetermined position relative to a wheel of the vehicle, such that the automatic braking assembly will lock the wheel against movement when an occupant of the vehicle begins to rise from a seated position in the vehicle. | 10-03-2013 |
20130264791 | HAND RIM FOR PROPELLING A WHEELCHAIR - A wheelchair hand rim with mounting tabs and a resilient layer that provides for increased grip of and insulation from the core of the hand rim, and a method for making a wheelchair hand rim. The wheelchair hand rim may be provided with a variety of traction ring configurations. | 10-10-2013 |
20130300083 | WHEELCHAIR AND FRAME FOR A WHEELCHAIR - A wheelchair comprising a frame, a seat assembly attached to the frame, two rear wheels attached to the frame, and at least one front wheel assembly attached to the frame. The frame defines a front face and two side faces. The front face is defined by one or more structural elements situated along a front of the frame, while the side faces are defined by two top side members and two corresponding bottom side members. The front face and the two side faces result in three non-orthogonal planes, which contribute to the strength and stiffness of the frame. | 11-14-2013 |
20140035253 | Portable Convertible Wheelchair - A portable wheelchair is easily convertible between a conventional or street wheelchair and a specialty wheelchair through the use of conversion components, some of which are mounted permanently to the wheelchair and some of which are received by the mounted conversion components. In one form, the portable specialty wheelchair is a portable beach wheelchair while in another form the portable specialty wheelchair is an all-terrain wheelchair or trail chair. Preferably, but not necessarily, the portable convertible wheelchair is foldable in order to provide added versatility. | 02-06-2014 |
20140062054 | Tire Rim, Wheel, Rolling Apparatus, and Tire - A tire rim for a rolling apparatus with wheels mounted with a camber. The rim comprises a first shoulder having a first diameter, a second shoulder having a second diameter, and a main body arranged for connecting spoke elements, wherein the first diameter is larger than the second diameter. By having the first diameter of the first shoulder larger than the second diameter of the second shoulder the restrains of the tire at the first shoulder will be different than the restrains of the tire at the second shoulder. By mounting a wheel, comprising the tire rim according to the invention, with a camber, wherein the first and second shoulder have a substantially similar distance to the floor, the tire may be supported substantially more opposite to the floor. | 03-06-2014 |
20140084562 | WHEELCHAIR TRANSIT BRACKET ASSEMBLY - A wheelchair transit bracket assembly is provided and includes a clamp configured for attachment to a portion of a wheelchair frame. A pivot is attached to the clamp and is configured for rotation relative to the clamp. The pivot is configured for attachment to a tie-down assembly. The tie-down assembly is configured to secure the wheelchair to a vehicle during transit. A belt bracket is attached to the pivot and is configured for rotation relative to the pivot. The belt bracket is configured for attachment to a lap belt thereby forming a lap belt assembly. The lap belt assembly is configured to secure an occupant to the wheelchair during transit. In an installed position, the wheelchair transit bracket assembly is configured to transfer forces generated by the wheelchair and wheelchair occupant from the lap belt assembly to the tie-down assembly without introducing the forces to the wheelchair frame. | 03-27-2014 |
20140191489 | EARLY WARNING METHOD AND DEVICE FOR PREVENTING WHEELCHAIR FROM TIPPING OVER - An early warning method and a device for preventing a wheelchair from tipping over are described. The early warning method includes projecting a laser light pattern, scanning the laser light pattern, making a comparison to determine whether the ground is a barrier terrain, and issuing an early warning to the user in situations of risk. The laser light pattern is projected onto the ground and compared with a standard pattern. The early warning is generated and is one selected from a group consisting of a beep, a warning message and a vibration to alert the wheelchair user to the danger of the barrier terrain. | 07-10-2014 |
20140232085 | GEAR-SHIFTING SYSTEM FOR MANUALLY PROPELLED WHEELCHAIRS - Apparatus for a manually-powered wheelchair comprising a frame and first and second wheel rotatably coupled to the frame. Each wheel includes a hand rim and a drive wheel. For each of the first and second wheels, a multiple speed transmission coupled to the wheel comprises a transmission output coupled to the drive wheel, a transmission input coupled to the hand rim, and at least two gears selectively coupling the transmission output to the transmission input. The transmission allows the drive wheel and the hand rim to rotate concentrically with one another but at different speeds. A selector is provided for selecting one of the at least two gears. A controller controls the selector to operate the transmission for the first and/or second wheel. | 08-21-2014 |
20150021875 | MANUALLY OPERATED WHEELCHAIR HAVING INTEGRATED DIFFERENTIAL TO ALLOW FULL RANGE OF MOTION UNDER ONE-HANDED OPERATION - A wheelchair includes a seat for supporting an occupant and a frame supporting the seat, where the frame further includes a first pair of wheels and a second pair of wheels connected by a differential for reversibly locking the second pair of wheels such that propulsion of only one of the wheels in the second pair of wheels results in both of wheels in the second pair of wheels moving in an identical direction. | 01-22-2015 |
20150028559 | WHEELCHAIR STRUCTURE AND SUSPENSION ASSEMBLY - The present invention relates to wheelchair improvements and, in particular, to a wheelchair including a monocoque structural skin according to one aspect, and a suspension assembly according to another aspect. | 01-29-2015 |
20150084308 | SYSTEMS, DEVICES, AND METHODS INCLUDING A STAND-UP WHEEL CHAIR HAVING AUTOMATIC STABILITY CONTROL - Systems, devices, and methods are described for providing, among other things, a stand-up wheel chair having automatic stability control. | 03-26-2015 |
20150108735 | WHEELCHAIR SUSPENSION - A wheelchair suspension includes a frame, a pivoting assembly, at least one front caster, and at least one rear caster. The pivoting assembly has a first link pivotally coupled to the frame member, a second link pivotally coupled to the frame member, a drive assembly fixedly connected to a first end of the first link, and a third link pivotally connected to the first link and pivotally connected to the second link. The drive assembly causes downward pivotal movement of the first end of the first link and upward pivotal movement of a second end of the first link. The upward pivotal movement of the second end of the first link causes the second link and the caster assembly to undergo upward movement. | 04-23-2015 |
20150115566 | All-Terrain Wheelchair - An all-terrain wheelchair includes a rigid and easy-to-assemble frame. The frame has a seating area with armrests toward the rear of the frame and an adjustable footrest area toward the front of the frame. Attached to the rear axle of the frame and outside the seating area are found two large rear wheels of a sufficient width to provide flotation over soft surfaces. Attached to the front axle of the frame in front of the footrest area is a single large wheel of a sufficient width to provide flotation over soft surfaces. An ergonomically designed push handle is found at the upper rear of the frame behind the seating area, which allows an assistant to propel the chair forward or pull it backward. The frame in front of the front wheel forms a pull handle, which allows an assistant to pull the chair forward or push it backward. A locking brake mechanism is attached to the rear axle to prevent a rear wheel from travel and render the wheelchair motionless when necessary. | 04-30-2015 |
20150115567 | DUAL-TRACK TILT MECHANISM - The present invention is directed to a tilt-in-space wheelchair that limits the shift of the center of a gravity of a wheelchair occupant during tilting. The wheelchair comprises a main frame adapted to be supported on a surface by wheels, a seat frame for supporting a occupant, and an arc plate for slidably or rollably supporting the seat frame with respect to the main frame. The arc plate defines a first track and a second track that guide the tilting of the seat frame relative to the frame. The first track and second track may have non-constant curvatures. Further, the first track and second track may be arranged non-concentrically on the arc plate and may have different lengths. | 04-30-2015 |
20150137474 | DYNAMIC SEATING COMPONENTS FOR WHEELCHAIRS - A wheelchair includes a pivotable mechanism. The pivotable mechanism allows for a pivoting movement about an axis defined by an interface between adjacent components. These components may be (a) a seat member and a back member, (b) a seat member and a footrest, (c) a foot rest and a footplate support, (d) a baseplate and a footplate, or (e) a back member and a headrest. | 05-21-2015 |
20150297428 | Gripping Tires for a Wheelchair - The gripping tire for a wheelchair as per the invention has a profile cross-section that is asymmetric and divided up in the radial and axial directions. Axial and radial refer here to the wheel of the wheelchair onto which the gripping tire is coaxially attached. A divided profile cross-section means that one of the sides of the axial division and the (inner) side of the radial division turned towards the axis of the gripping tire are designed to be bulbous, and the other side of the axial division and the (outer) side of the radial division turned away from the axis of the gripping tire are flattened. Furthermore, there is a process as per the invention for determining the value of at least one parameter of the cross-sectional profile of the gripping tire. | 10-22-2015 |
20150305953 | DUAL-TRACK TILT MECHANISM - The present invention is directed to a tilt-in-space wheelchair that limits the shift of the center of a gravity of a wheelchair occupant during tilting. The wheelchair comprises a main frame adapted to be supported on a surface by wheels, a seat frame for supporting a occupant, and an arc plate for slidably or rollably supporting the seat frame with respect to the main frame. The arc plate defines a first track and a second track that guide the tilting of the seat frame relative to the frame. The first track and second track may have non-constant curvatures. Further, the first track and second track may be arranged non-concentrically on the arc plate and may have different lengths. | 10-29-2015 |
20160000618 | WHEELCHAIR HAND RIM, COVER AND FASTENING SYSTEM THEREFOR - A hand rim or push rim for a wheelchair wheel. The hand rim includes a rim structure with a convex bearing surface on a circumference of the rim structure, wherein the convex bearing surface is off-centered with respect to a center of the rim and tilted in an outer direction with respect to the wheelchair. Also provided is a wheelchair wheel hand rim cover, wherein the cover is made of ethylene vinyl acetate. There is also provided a fastening system for fastening a hand rim to a wheel. The fastening system includes fixing elements selectively and slideably interfacing with a plurality of anchor elements for selectively setting a separation distance between the hand rim and the wheel. | 01-07-2016 |
20160008192 | FOLDING WHEELCHAIR | 01-14-2016 |
20160038355 | MANUAL WHEELCHAIR SYSTEM FOR IMPROVED PROPULSION AND TRANSFERS - A manual wheelchair including a frame, a drive wheel connected to the frame, having a first axis of rotation and configured to rotate relative to the frame, a push rim connected to the frame, having a second axis of rotation extending substantially parallel to the first axis of rotation of the drive wheel and configured to rotate relative to the frame, wherein the second axis of rotation of the push rim is offset from the first axis of rotation of the drive wheel in a direction orthogonal to the first axis of rotation of the drive wheel, and a transmission configured to transmit rotation of the push rim to rotation of the drive wheel. Additionally, the wheelchair may also include multispeed fixed-gear hubs for propulsion on different terrain and removable or rotatable push rims for easier transfers. | 02-11-2016 |
20160106606 | Compact Wheelchair Assembly with Removable Wheels and Methods Therefor - A wheelchair ( | 04-21-2016 |
20160143794 | CHAIR ASSEMBLY - A chair assembly includes a chair portion and an armrest portion coupled to the chair portion movable between an upright position and an extended position. The armrest portion includes a body. A support is attached to the body disposed adjacent to the seat. In the upright position, the support is disposed generally perpendicular to the seat. In the extended position, the support is disposed generally parallel to the seat. A structure includes a rod being pivotably attached to the support. The structure also includes a brace pivotably attached to the rod and the chair portion movable between a storage position and a load bearing position. In the storage position, the rod is disposed generally parallel to the support with the armrest portion in the upright position. In the load bearing position, the rod is disposed generally perpendicular to the support with the armrest portion in the extended position. | 05-26-2016 |
20160175174 | Side Exiting Wheelchair | 06-23-2016 |