Self-tailing winch

Details Self-tailing winch Self-tailing winch

1983-05-26

1984-10-09

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 130, B66D 122

Patent

active

044757182

ABSTRACT:
A self-tailing winch comprises a substantially cylindrical housing arranged for rotation about a central shaft. The housing is provided at the top with a flange thinning towards the circumference and an annular plate disposed on the top of the housing and thinning towards the circumference. The plate has a diameter substantially equal to that the flange, in such a way that between the flange and the annular plate there is produced a V-shaped slot. A stripper arm is mounted above the annular plate, which stripper arm has a portion extending downwardly beyond the circumference of the annular plate. According to the invention, tooth-like raised portions are provided on the facing surfaces of the annular plate and the flange, so that opposite each tooth on the flange surface there is a tooth on the surface of the plate. One tooth of each pair of opposed teeth is convex and one tooth is concave.

REFERENCES:
patent: 303106 (1884-08-01), Baxter
patent: 3730483 (1973-05-01), Newell
patent: 3797806 (1974-03-01), Demmert
patent: 3985340 (1976-10-01), Guangorena
patent: 4143855 (1979-03-01), Burton et al.
patent: 4230306 (1980-10-01), Porter

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