Wheelchair capable of absorbing road shock

Details Wheelchair capable of absorbing road shock Wheelchair capable of absorbing road shock

2006-12-19

2006-12-19

Ilan, Ruth (Department: 3616)

Land vehicles

Wheeled

Running gear

C180S065100, C180S907000, C280S304100, C280S124110, C280S124116, C280SDIG010

Reexamination Certificate

active

07150463

ABSTRACT:
A wheelchair includes a chair frame, two suspension arms, two clutches, two drive wheels, two shock absorbers, and two limiting units. The chair frame includes two lateral frame parts. Each of the suspension arms is connected pivotally to the chair frame adjacent to a respective lateral frame part. Each of the clutches is mounted on a respective suspension arm. Each of the drive wheels is coupled to a respective clutch. Each of the shock absorbers is mounted between a respective lateral frame part and a respective suspension arm. Each of the limiting units includes a mounting seat mounted on a respective lateral frame part and formed with a guide slot unit therethrough, and a connecting component that extends through the guide slot unit and that mounts movably a respective suspension arm on the mounting seat.

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patent: 7021641 (2006-04-01), Wu
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patent: 7104346 (2006-09-01), Schaffner
patent: 2006/0201723 (2006-09-01), Hsu et al.

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