Electric motor having suspension mechanism

Details Electric motor having suspension mechanism Electric motor having suspension mechanism

2006-08-01

2006-08-01

Restifo, Jeff (Department: 3618)

Motor vehicles

Power

Electric

C180S208000, C180S299000

Reexamination Certificate

active

07083018

ABSTRACT:
An electric motor includes a chassis having a front tube to rotatably support a handle, two arms each having one end pivotally attached to the chassis to support two front wheels on the outer ends. A cushioning device may be used to cushion the front wheels and the arms relative to the chassis. A carrier is pivotally attached to the rear portion of the chassis, and includes a spindle to support two rear wheels. An electric motor device is attached to the carrier to drive the rear wheels. Another cushioning device may be used to cushion the rear wheels and the carrier relative to the chassis.

REFERENCES:
patent: 5941327 (1999-08-01), Wu
patent: 6056077 (2000-05-01), Kobayashi
patent: 6336517 (2002-01-01), Cheng
patent: 6439331 (2002-08-01), Fan
patent: 6581713 (2003-06-01), Fu et al.
patent: 6655717 (2003-12-01), Wang
patent: 6896084 (2005-05-01), Lo
patent: 2003/0062703 (2003-04-01), Lin
patent: 2004/0135334 (2004-07-01), Cheng

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