Device for preventing overload of a winch

Details Device for preventing overload of a winch Device for preventing overload of a winch

1982-05-26

1984-11-20

Levy, Stuart 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

254344, B66D 150, B66D 122

Patent

active

044835183

ABSTRACT:
In a device for preventing overload of a vehicle winch, including a line drum, a motor and a planetary gearing between the line drum and the motor, there is a sensor comprising a planet carrier of the planetary gearing. When the winch is overloaded the planet carrier is rotated to a limited extent against the action of a spring force to actuate a switch forming part of the device which interrupts further operation of the winch.

REFERENCES:
patent: 2275953 (1942-03-01), Frisch
patent: 2280932 (1942-04-01), Schaelchlin
patent: 2393048 (1946-01-01), Mahnke
patent: 2403095 (1946-07-01), Lear
patent: 2414473 (1947-01-01), Mahnke
patent: 4175727 (1979-11-01), Clarke

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