Automatic braking arrangement for a windlass

Details Automatic braking arrangement for a windlass Automatic braking arrangement for a windlass

1975-03-20

1976-11-30

Spar, Robert J.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Pawl actuated

254173R, 188134, B66D 100

Patent

active

039944760

ABSTRACT:
A hoist is described which includes a windlass for taking up and paying out a line which operates a block and tackle. The windlass is provided with a brake which is arranged to operate automatically to prevent unwanted paying out of the block and tackle line whenever a load is on the block and tackle. The brake operating mechanism includes a load sensing lever arm mounted for limited pivotal movement in response to a load being on the block and tackle, and linkage connecting such lever arm with a brake actuator for transmitting its motion to the actuator. The actuator is adapted to respond to such motion by applying the brake on the windlass to prevent its rotation in response to the force of the load.

REFERENCES:
patent: 2263160 (1941-11-01), Brooks
patent: 3062344 (1962-11-01), Kachinskas
patent: 3276553 (1966-10-01), Tilloy
patent: 3433332 (1969-03-01), Braun

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