Multi-speed winch having speed selection mechanism

Details Multi-speed winch having speed selection mechanism Multi-speed winch having speed selection mechanism

1997-11-05

2000-02-29

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

254354, 475294, 475296, B66D 122

Patent

active

060299525

ABSTRACT:
A single mechanism mounted at the head of a winch has a double-selector function, allowing either 1st or 2nd ratio of drive to a drum to be selected upon initial rotation of the drive shaft. The mechanism is mounted coaxially with the drum and shaft and has coaxial inner and outer control buttons. Its body can be mounted on the end of the drive shaft from above.

REFERENCES:
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patent: 3670589 (1972-06-01), Carter
patent: 3728914 (1973-04-01), Guangorena et al.
patent: 3962935 (1976-06-01), Hutton et al.
patent: 4003274 (1977-01-01), Hirsiefer
patent: 4725043 (1988-02-01), Atfield et al.
patent: 4974814 (1990-12-01), Cundy
patent: 5368279 (1994-11-01), Ottemann et al.
patent: 5370366 (1994-12-01), Ottemann
WO 94114646, Resch et al, Oct. 1991.

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