Winch drive mechanism

Details Winch drive mechanism Winch drive mechanism

1981-03-25

1984-01-17

Taylor, Billy S.

Implements or apparatus for applying pushing or pulling force

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

Device includes rotatably driven, cable contacting drum

254358, 74804, B66D 114, B66D 120, B66D 122, B66D 316

Patent

active

044260644

ABSTRACT:
A compact and rugged drive mechanism for a winch of high pull rating is disclosed featuring a cycloid drive of powerful construction which serves to provide a driving connection between a cable drum and a reversible motor driven, two stage chain and sprocket drive to an input drive shaft. The cycloid drive includes a ring gear and cycloid gear in meshing engagement with the ring gear. The cycloid gear is supported for eccentric rotation within the ring gear. A clutch pin is releasably secured in fixed relation to the ring gear and a fixed housing to prevent ring gear rotation during normal power-in and power-out modes of operation under cable load. Controlled free spooling of the drive mechanism is effected, when desired, upon removing the clutch pin to render it inoperative.

REFERENCES:
patent: 2170951 (1939-08-01), Perry
patent: 2354387 (1944-07-01), Lawler
patent: 3561292 (1971-02-01), Lorence
patent: 3738614 (1973-06-01), Peterson
patent: 3965774 (1976-06-01), Omi et al.
patent: 4033552 (1977-07-01), Kuzarov

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