Multi-speed winch having epicyclic gear drive

Details Multi-speed winch having epicyclic gear drive Multi-speed winch having epicyclic gear drive

1997-09-22

2000-03-28

Walsh, Donald P.

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

254342, 475296, B66D 114

Patent

active

060420863

ABSTRACT:
A winch having one orbital gear or one set of orbital gears to transmit drive from a drive shaft to a drum in which the orbital gear or a gear of the set of orbital gears transmits drive to the drum at different drive ratios from the drive shaft in accordance with the direction of rotation of the drive shaft. The orbital gear or set of orbital gears is/are double gears engaged with a stationary gear ring and a drivable gear ring. Transmission of drive is either from a carrier of the gear(s) or from the drivable gear ring depending on the direction of rotation of the drive shaft.

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patent: 4725043 (1988-02-01), Atfield et al.
patent: 5368279 (1994-11-01), Ottemann et al.
patent: 5370366 (1994-12-01), Ottemann

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