Wheelchair with shock absorber

Details Wheelchair with shock absorber Wheelchair with shock absorber

1978-05-22

1980-02-26

Silverstrim, John P.

Land vehicles

Wheeled

Occupant propelled type

267 20A, 280701, 280286, 280724, 297DIG4, B62M 114

Patent

active

041902637

ABSTRACT:
The invention consists of a device which can be mounted on a conventional wheelchair to provide shock absorbing qualities to the wheelchair. Each wheel on the wheelchair is removed from its standard mounting position with a shock absorbing device of this invention being used to mount each wheel in a new position spaced longitudinally from its standard position. The device of the invention has a lever with one hole in front which is attached to the axle of the wheelchair by means of a bolt which passes through the hole in the axle and a nut attached to the end of the bolt. Another hole is located centrally in the lever for mounting of the wheel by means of a second bolt and a second nut. At the opposite end of the lever a hole is provided through which a spring is attached. The opposite end of the spring is attached to a rigid member of the wheelchair. In this manner, the weight of the chair and its occupant is supported by the spring tension of the spring. When the wheel of the chair hits a bump, the spring may flex, thus absorbing the shock.

REFERENCES:
patent: 1123872 (1915-01-01), Hazelton
patent: 3282605 (1966-11-01), Nihlean
patent: 3917312 (1975-11-01), Rodaway
patent: 4078817 (1978-03-01), Ferguson

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