Spring arrangement for a wheelchair

Details Spring arrangement for a wheelchair Spring arrangement for a wheelchair

1993-05-14

1995-02-07

Oberleitner, Robert J.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

267293, 2802501, F16M 700, A61G 502

Patent

active

053869729

ABSTRACT:
A spring element (7) acting in the vertical direction on the rear wheels (12) of a wheelchair is connected on the one hand via a supporting tube (3) to the frame (1) of the wheelchair and on the other hand via a supporting tube (5) for the wheel axle bearing (6) to the wheel axle. The superposed supporting tubes (3, 5) are arranged coaxially with respect to a guide rod (2) fastened on the wheelchair frame (1) and thereby enclose the spring element (7).

REFERENCES:
patent: 3794277 (1974-02-01), Smedley et al.
patent: 4078817 (1978-03-01), Ferguson et al.
patent: 4085832 (1978-04-01), Gaines et al.
patent: 4475722 (1984-10-01), Patan et al.
patent: 4572535 (1986-02-01), Ellis et al.

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