Lever action wheelchair

Details Lever action wheelchair Lever action wheelchair

1989-01-26

1989-08-22

Wright, Dirk

Machine element or mechanism

Mechanical movements

Oscillation or reciprocation to intermittent unidirectional...

74812, 192 20, 192 41R, F16H 2702, F16H 3100

Patent

active

048584835

ABSTRACT:
The present invention relates to a torque converter device which is suitable for use incorporated in a wheelchair. The device includes, on each side of the wheelchair, two one-way clutches such as that which is illustrated in FIGS. 10-11 of the U.S. Pat. No. 4,763,544, coupled together with a handle mechanism so that when a user manipulates the handles forward and backward, force is transmitted to the wheels of the wheelchair. By twisting the handles in one direction or another, the directions of movement of the wheelchair may be reversed.

REFERENCES:
patent: 654986 (1900-07-01), Krueger
patent: 2407099 (1946-03-01), Richards
patent: 3207005 (1965-09-01), Geyer
patent: 3895700 (1975-07-01), Kerr
patent: 4506900 (1985-03-01), Korosue
patent: 4762332 (1988-08-01), Seol

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