Ratcheting wheelchair hub

Details Ratcheting wheelchair hub Ratcheting wheelchair hub

1992-10-26

1994-04-12

Pape, Joseph D.

Land vehicles

Wheeled

Occupant propelled type

280249, 2802421, B62M 114

Patent

active

053019717

ABSTRACT:
A wheelchair (10) for forwardly transporting a person in a sitting position includes a frame (12), a seat (14) and an axle (16). A pair of drive wheels (18) are rotatably supported on the axle (16) and rollably support the wheelchair (10) above a travel surface. A ratchet assembly (22) engages the drive wheels (18) directly with the axle (16) to permit free rotation of the drive wheels (18) forwardly but prevent rearward rotation thereof.

REFERENCES:
patent: 3253837 (1966-05-01), Johnson
patent: 4840076 (1989-06-01), Brubaker et al.
patent: 5007655 (1991-04-01), Hanna
patent: 5020818 (1991-06-01), Oxford
patent: 5037120 (1991-08-01), Parisi
patent: 5137295 (1992-08-01), Peek
patent: 5211414 (1993-05-01), Galumbeck

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