Folding wheelchair having adjustable wheels and armrests

Details Folding wheelchair having adjustable wheels and armrests Folding wheelchair having adjustable wheels and armrests

1987-01-28

1988-09-06

Mitchell, David M.

Land vehicles

Wheeled

Occupant propelled type

280 42, 280289WC, 280661, 297416, 297188, 403 4, B62M 114

Patent

active

047687975

ABSTRACT:
A lightweight folding wheelchair is provided with relatively wide range adjustment capability and/or adaptation to meet the specific needs of an individual wheelchair user. The folding wheelchair includes left and right tubular frame sections which are connected by pivoting cross braces to permit rapid movement between folded and unfolded positions. The frame sections include a respective pair of camber plates carrying wheel bushings for quick release attachment of relatively large rear wheels for the wheelchair, wherein the camber plates are adapted for mounting in one of several different orientations on their respective frame sections to select the specific wheel camber angle. The folding wheelchair further includes improved armrests adapted for rapid and facilitated positional adjustment with minimum dexterity requirement. Fabric side panels for the wheelchair are provided for easy installation without the use of tools and conveniently include accessible pockets for storage of selected items. Wheel lock units are also provided for engaging the large rear wheels to prevent chair movement wherein these wheel lock units can be mounted in alternative positions as desired by the wheelchair user.

REFERENCES:
patent: 2561616 (1951-07-01), Everest et al.
patent: 2669289 (1954-02-01), Usher et al.
patent: 4311338 (1982-01-01), Moorhouse
patent: 4553785 (1985-11-01), Duke, Jr. et al.
patent: 4570756 (1986-02-01), Minnebraker et al.
patent: 4577903 (1986-03-01), Wells
patent: 4592570 (1986-06-01), Nassiri
patent: 4595212 (1986-06-01), Haury et al.

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