Land vehicles – Wheeled – Occupant propelled type
Patent
1995-02-01
1996-04-23
Hill, Mitchell J.
Land vehicles
Wheeled
Occupant propelled type
280253, 280255, A61G 502, B62M 104, B62M 114, B62M 116
Patent
active
055096735
ABSTRACT:
An armrest-driven wheelchair in which the armrests are pivoted to the wheelchair frame and turned turned back and forth about a respective pivot to rotate the wheels forwards or backwards by a respective transmission rod, which is driven by the respective armrest to connect a first bearing means, which is driven to turn the respective wheel forwards, or a second bearing means, which is driven to turn the respective wheel backwards, to the respective armrest.
REFERENCES:
patent: 4453729 (1984-06-01), Lucken
patent: 4762332 (1988-08-01), Seol
patent: 5303945 (1994-04-01), Oxford
Hsu Hsiu-Fong
Wu Kung-Hsiung
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