Portable wheelchair

Details Portable wheelchair Portable wheelchair

1995-08-22

1997-10-28

Hurley, Kevin

Land vehicles

Wheeled

Occupant propelled type

280650, 297DIG4, B62M 114

Patent

active

056810490

ABSTRACT:
A portable wheelchair including a seat assembly having a seat and a back rest, as well as a footrest having at least one guiding wheel. The seat assembly and the footrest are selectively secured between a first wheel and a second wheel, the first wheel including a first tire mounted on a first rim and the second wheel including a second tire mounted on a second rim. The seat assembly is secured to the first wheel by a first cross-brace and the seat assembly is secured to the second wheel by a second cross-brace. The first cross brace is coupled to the first wheel by a first bearing assembly slidably mounted to the first rim and a second bearing assembly slidably mounted to the first rim, wherein the first bearing assembly and the second bearing assembly are connected by a first spoke member. The second cross brace is coupled to the second wheel by a first bearing assembly slidably mounted to the second rim and a second bearing assembly slidably mounted to the second rim, wherein the first bearing assembly and the second bearing assembly are connected by a second spoke member.

REFERENCES:
patent: 970291 (1910-09-01), Baisden
patent: 3381973 (1968-05-01), Carr
patent: 4280716 (1981-07-01), Bonsbaek et al.
patent: 4462605 (1984-07-01), Morgan et al.
patent: 4593929 (1986-06-01), Williams
patent: 4770432 (1988-09-01), Wagner
patent: 4813693 (1989-03-01), Lockard et al.
patent: 4887826 (1989-12-01), Kantner
patent: 5071196 (1991-12-01), Sbarro
patent: 5261684 (1993-11-01), Soto
patent: 5480172 (1996-01-01), James
patent: 5542690 (1996-08-01), Kozicki
patent: 5568933 (1996-10-01), Mizuno
Publication: Popular Mechanics, Wheelchair Disclosure, Oct. 1995, p. 28.

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