Reversible wheelchair

Details Reversible wheelchair Reversible wheelchair

2007-06-18

2009-06-16

Winner, Tony H. (Department: 3611)

Land vehicles

Wheeled

Occupant propelled type

C280S250100, C005S086100

Reexamination Certificate

active

07547031

ABSTRACT:
A wheelchair having a rotatable vertically adjustable seat that can rotate at least 180 degrees. A vertical adjustment means adjusts the seat from a base position to an elevation above the diameter of the wheel chair drive wheels. The seat can swivel or be fixed by an anti-rotation means. The wheelchair can be conventionally configured with guide wheels forward or reversed with drive wheels forward for use on rough ground or uneven surfaces.

REFERENCES:
patent: 4274503 (1981-06-01), Mackintosh
patent: 4477117 (1984-10-01), Higgs
patent: 4520893 (1985-06-01), Keough
patent: 6220620 (2001-04-01), Harroun
patent: 6431650 (2002-08-01), Visone
patent: 6684969 (2004-02-01), Flowers et al.
patent: 2007/0216131 (2007-09-01), Potappel
patent: 2007/0222171 (2007-09-01), Norman et al.
patent: 2008/0133089 (2008-06-01), Bayomy et al.
patent: 2008/0284218 (2008-11-01), King et al.

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