Winch

Details Winch Winch

1975-09-23

1977-01-25

Spar, Robert J.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Pawl actuated

B66D 100

Patent

active

040047806

ABSTRACT:
A winch having a clutch-brake assembly comprising a ratchet plate with a constantly engaged pawl, and two clutch shoes. With a tension load on the cable of the drum, two rotatably mounted cam members engage each other to move the clutch shoes into engagement with the ratchet plate to cause power to be transmitted to the drum of the winch. Under minimal or no external load, after the power source has been operated shortly in reverse, a spring maintains the clutch shoes out of engagement to permit the cable on the drum to be reeled out freely at a moderate rate of acceleration.

REFERENCES:
patent: 2552928 (1951-05-01), Benson
patent: 3618898 (1971-11-01), Notestine

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