Folding wheel-chair

Details Folding wheel-chair Folding wheel-chair

1980-12-22

1983-02-01

Butler, Douglas C.

Land vehicles

Wheeled

Extensible

280289WC, 280650, 297DIG4, 297 44, 297357, B62B 1100

Patent

active

043711839

ABSTRACT:
This folding wheel-chair is characterized by a rigid seat and a rigid back-rest and that is nevertheless of simple construction and operation. This folding wheel-chair comprises a pair of opposite sides, each including an upper portion upwardly slidable relative to a corresponding lower portion, a pair of braces articulated to each other intermediate their ends and to the lower and upper portions at their opposite ends about fore and aft axes, a pair of offsetting arms pivotally supporting one side of the rigid seat on the upper portion of one side of the wheel-chair, supporting members removably resting on the upper portion of the other side of the wheel-chair, and a rigid back-rest foldable over the rigid seat for bodily pivoting therewith to an upwardly edgewise position between the opposite sides of the wheel-chair upon folding of the latter.

REFERENCES:
patent: 475013 (1892-05-01), Hanley
patent: 2665743 (1954-01-01), Cosper
patent: 3142351 (1964-07-01), Green
patent: 4042250 (1977-08-01), Rodaway
patent: 4045082 (1977-08-01), Egert et al.
patent: 4229039 (1980-10-01), Day

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