Driving device for wheels

Details Driving device for wheels Driving device for wheels

2005-10-21

2008-07-01

Ellis, Christopher P. (Department: 3618)

Land vehicles

Wheeled

Tiltable vehicles, stabilized by attendant or article

C380S047000, C380S047000, C180S065100, C180S065510, C180S065600, C180S065700

Reexamination Certificate

active

07392995

ABSTRACT:
A driving device for a wheelbarrow includes a motor assembly which has a shaft and a driving gear is connected to the shaft. The driving gear is engaged with planet gears of a gear set to drive a collar which is connected to a rim with a tire connected to the rim. Therefore, the wheel rotates when the motor assembly is activated. A brake mechanism an adjustment nut which is threadedly connected to a motor frame of the motor assembly such that when the user pulls a brake lever, the adjustment nut is moved to shift a brake lining to brake the wheel.

REFERENCES:
patent: 5913937 (1999-06-01), Lin
patent: 6278216 (2001-08-01), Li
patent: 6345678 (2002-02-01), Chang
patent: 6492756 (2002-12-01), Maslov et al.

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