Power wheelchair

Details Power wheelchair Power wheelchair

2007-04-25

2010-08-17

Dickson, Paul N (Department: 3616)

Motor vehicles

Special wheel base

Five or more wheels

C180S065100, C180S907000, C280S755000

Reexamination Certificate

active

07775307

ABSTRACT:
A power wheelchair includes a frame, on which a pair of front wheel sets, a pair of middle wheel sets, a pair of rear wheel sets and a pair of elastic devices are provided. Each of the front wheel sets includes a front wheel mount having a first connection portion pivoted to the frame, and a second connection portion connected to a front wheel. Each of the middle wheel sets includes a middle wheel mount having a first connection portion pivoted on the frame, and a second connection portion, connected to a middle wheel. The elastic device are provided between the front wheel mounts and the middle wheel mounts respectively to cushion a swing of the front wheel set and the middle wheel set relative to the frame.

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