Wheelchair

Details Wheelchair Wheelchair

1992-10-19

1994-07-05

Hill, Mitchell J.

Land vehicles

Wheeled

Occupant propelled type

280 42, B62M 114

Patent

active

053261208

ABSTRACT:
A wheelchair having a tubular frame comprising a pair of wheel-supporting, horizontally-disposed tubes clamped at their rear ends to upright posts for vertical adjustment of rear wheels mounted thereon. A pair of seat-supporting tubes pivotally connected at their rear ends to the upright posts, above the wheel supporting tubes, are also pivotally connected at their forward ends to links which are rigidly fixed at their lower ends to said wheel supporting tubes. Safety is improved by the rigid connections without significantly impairing the adjustment options.

REFERENCES:
patent: 4679816 (1987-07-01), Riikonen
patent: 4736960 (1988-04-01), Batty et al.
patent: 4966379 (1990-10-01), Mulholland
patent: 5152543 (1992-10-01), Sims et al.

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