Land vehicles – Wheeled – Occupant propelled type
Patent
1994-04-29
1996-01-23
Hill, Mitchell J.
Land vehicles
Wheeled
Occupant propelled type
192 6A, 280236, 280238, 29742329, 29742335, A61G 500, B60K 4122, B62M 114
Patent
active
054860164
ABSTRACT:
For use on a wheelchair, a wheel assembly has a change speed gear mounted in the wheel hub. A handwheel is connected to the input of the speed gear and the output of the speed gear is connected to the hub. A free wheel device can be provided between the handwheel and the speed gear. To prevent unwanted backward movement, a clutch assembly can be provided. The clutch assembly engages with a member attached to the hub and permits forward movement only. The clutch can be disengageable. The footrests of the wheelchair can be pivoted up and down by a hand lever mounted on the wheelchair and connected, as by a cable, to a lever on the footrest. A hand lever is provided on each side of the wheelchair.
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patent: 4762332 (1988-08-01), Seol
patent: 4988114 (1991-01-01), Thornton, Jr. et al.
patent: 5167168 (1992-12-01), Beumer
patent: 5328266 (1994-10-01), Roth et al.
patent: 5362081 (1994-11-01), Beidler et al.
Godin Gary
Lambert Philip
Godin Gary
Hill Mitchell J.
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