Wheelchair

Details Wheelchair Wheelchair

1989-11-20

1993-11-09

Hill, Mitchell J.

Land vehicles

Wheeled

Occupant propelled type

280 94, 2803041, 280650, A61G 502, B62D 708, B62M 114

Patent

active

052596354

ABSTRACT:
A wheelchair for competition use comprising a steerable front wheel assembly with a return mechanism to keep the wheel assembly in dead centre in absence of steering command. The rear axle of the wheelchair includes articulated connections to perform camber adjustments without changing ride height and spacing between the rear wheels.

REFERENCES:
patent: Re32242 (1986-09-01), Minnebraker
patent: 734202 (1903-07-01), Tromble
patent: 759090 (1904-05-01), Gardner
patent: 1100713 (1914-06-01), Colson
patent: 3848885 (1974-11-01), Hefren
patent: 4166631 (1979-09-01), Sanaski
patent: 4313613 (1982-02-01), Worsham
patent: 4500102 (1985-02-01), Haury et al.
patent: 4592570 (1986-06-01), Nassiri
patent: 4709939 (1987-12-01), Stewart
patent: 5028064 (1991-07-01), Johnson
Experimental use as discussed in attached Memorandum.

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