Automatic take-up winch

Details Automatic take-up winch Automatic take-up winch

1976-02-25

1977-07-19

Makay, Albert J.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Pawl actuated

74128, 105477, B66D 148

Patent

active

040364763

ABSTRACT:
A winch for automatically taking up slack or looseness in a chain or the like and including a reel element having a ratchet mechanism for normally permitting rotation of the reel in only one direction, together with a power operated actuating unit which advances the reel and ratchet mechanism rotatively through successive steps in a take-up direction and is retractable in an opposite direction relative to the reel after each advancement step and in preparation for the next successive advancement. Automatic control means, desirably an automatic valve arrangement, cause such retraction of the power actuated unit in response to its arrival at a predetermined advanced position.

REFERENCES:
patent: 1999936 (1935-04-01), Lange
patent: 2758569 (1956-08-01), Peterson
patent: 3255857 (1966-06-01), Armstrong et al.
patent: 3608864 (1971-09-01), Dargitz

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