Wheelchair

Details Wheelchair Wheelchair

2006-11-14

2006-11-14

Hurley, Kevin (Department: 3611)

Land vehicles

Wheeled

Occupant propelled type

C297SDIG010

Reexamination Certificate

active

07134678

ABSTRACT:
A wheelchair comprises a frame which supports the wheels, the seat, back rest, and foot rests of the wheelchair. The seat, the back rest, and the foot rests are adjustable in relation to one another. The frame comprises a lower and an upper frame section. On the lower frame section there are disposed the wheels of the wheelchair, and on the upper frame section there are disposed the seat, the back rest, and the foot rests. The wheelchair has an adjustment device for vertical adjustment of the upper frame section in relation to the lower.

REFERENCES:
patent: 3937490 (1976-02-01), Nasr
patent: 4592570 (1986-06-01), Nassiri
patent: 4852899 (1989-08-01), Kueschall
patent: 4989890 (1991-02-01), Lockard et al.
patent: 5176393 (1993-01-01), Robertson et al.
patent: 5356172 (1994-10-01), Levy et al.
patent: 5564786 (1996-10-01), Peek et al.
patent: 6296265 (2001-10-01), Lovins
patent: 6331036 (2001-12-01), Papac
patent: 6352307 (2002-03-01), Engman

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