초록 ▼

The invention is an improved wheel chair made essentially of metal or plastic pipe, and is capable of being folded into a compact size which may be conveniently stored in the hanging wardrobe or overhead storage of an aircraft. The chair comprises a removable cane handle supported back rest, removab

The invention is an improved wheel chair made essentially of metal or plastic pipe, and is capable of being folded into a compact size which may be conveniently stored in the hanging wardrobe or overhead storage of an aircraft. The chair comprises a removable cane handle supported back rest, removable foot rest and rear extension bar and a fabric seat looped over and fastened to and between a pair of seat bars affixed to a pair of intersecting braces connected together by a longitudinal bolt. The intersecting braces each have a sleeve affixed at the bottom end which fit on and rotate on pivot means affixed to the bottom of the side frames. The intersecting braces are pivotally connected to the seat bars for retaining the side frames in spaced relationship during folding and unfolding.

대표청구항 ▼

A narrow, light-weight folding wheel chair that can be easily and rapidly unfolded and folded comprising: a pair of side frames including two lower horizontal tubes in parallel relationship to each other, said lower horizontal tubes extending upwardly at a first end, and extending forwardly at a sec

A narrow, light-weight folding wheel chair that can be easily and rapidly unfolded and folded comprising: a pair of side frames including two lower horizontal tubes in parallel relationship to each other, said lower horizontal tubes extending upwardly at a first end, and extending forwardly at a second end, pivot sleeve means rotatably affixed on each of said lower horizontal tubes between said first and second ends, a pair of vertical support means including vertical tubes affixed at a lower end to said lower horizontal tubes near said first and second ends, and a pair of upper horizontal tubes, each affixed at a top end of said vertical tubes, each upper horizontal tube having pivot means rotatably mounted centrally thereon, and a plurality of bumpers affixed thereon at a top edge, an extension, removably attached to each of said upwardly extending lower horizontal tubes, for holding said frames in spaced relationship, an extension, removably attached to each of said forwardly extending lower horizontal tubes for holding said frames in spaced relationship, and for providing a horizontal foot rest, seat means having a pair of horizontal seat bars each affixed to one of a first pair of braces, intersecting diagonally, and connected together by a longitudinal bolt, a bottom section of each of said braces affixed to one of each of said lower horizontal tube pivot means, and fabric means looped over and fastened to and between said seat bars, said plurality of bumpers providing a cushioned rest for said seat bars when in an unfolded position, a second pair of braces, each pivotally connected to one of said first braces at a first end, and each of said second pair of braces rotatably connected to each of said upper horizontal tubes pivot means at a second end for retaining said side frames in a vertical position during folding or unfolding, a plurality of strap means looped over and affixed to and between each of said horizontal seat bars, a forward pair, and a rearward pair, of swivel wheels attached to said lower horizontal tubes, and seat back means removably attached to said side frames at said first end.