Manually operated wheelchair

Details Manually operated wheelchair Manually operated wheelchair

1995-04-21

1996-03-19

Hurley, Kevin T.

Land vehicles

Wheeled

Occupant propelled type

2802501, B62M 104, B62M 114

Patent

active

054998336

ABSTRACT:
A manually-operated wheelchair is disclosed, which includes
a frame to which two front wheels and two rear wheels are fastened pivotally, wherein the frame is provided respectively on both left and right sides thereof with a horizontal fixation rod; and
a connection rod control mechanism provided respectively on both left and right sides of the frame containing a coupling rod, an operating rod fastened at one end thereof with the coupling rod, a crank fastened pivotally at one end thereof with the coupling rod and at another end thereof with the horizontal fixation rod, a rocking rod fastened pivotally at one end thereof with the coupling rod and at another end thereof with the horizontal fixation rod, a transmission wheel which is mounted on a pivoting point of the fixation rod and the crank and is fastened securely with the crank such that the transmission wheel and the crank can be actuated synchronously, and a transmission chain-connecting the transmission wheel to an axle of the front wheel for transmitting motion from the transmission wheel to the front wheel.

REFERENCES:
patent: 2643898 (1953-06-01), Everest et al.
patent: 3666292 (1972-05-01), Bartos
patent: 4762332 (1988-08-01), Seol

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