Wheel assembly capable of lateral movement

Land vehicles: wheels and axles – Wheel – With peripheral roller

Reexamination Certificate

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Details

C280S250100

Reexamination Certificate

active

07552977

ABSTRACT:
A wheel assembly having multiple small rotatable wheels mounted laterally thereon whereby lateral movement as well as forward and backward movement is provided. A pair of the wheel assemblies are utilized on a hand-propelled wheelchair that can be moved laterally as well as in the standard forward-reverse motion. The wheelchair comprises a frame, one or more axles, a pair of main wheels rotatable on the one or more axles, and a plurality of small rotatable outer wheels positioned laterally on the main wheels.

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patent: WO 2004/014667 (2004-02-01), None

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