Rope winches

Details Rope winches Rope winches

1993-08-23

1995-04-04

Jillions, John M.

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

254372, B66D 100

Patent

active

054029856

ABSTRACT:
A single sheave 4 rope winch 1 particularly suitable for use with an anchor warp 2. The sheave 4 is fixed on a shaft 5 rotatably mounted in a base 3 adapted for mounting on a deck of a vessel. An electric motor 6 operates through a gear-drive 7 to rotate the sheave 4 about a vertical axis. Warp feed-in and feed-out means 8 and 9 direct a warp 2 to and from the sheave 4. Warp guide means 19 control a warp 2 during its tracking about with or through the sheave 4, the guide means 19 including a fixed and shorter section 19a and a longer articulated arm 27 section 19b. The arm 27 is arcuately shaped to extend about a sector of the sheave 4 and is biased by spring 26 radially inward such that an inner face 24 thereof impinges onto a warp 4 tracking in that sector of the sheave 4. In a preferred embodiment the inner impinging face 24 of the arm 27 incorporates a compound curvature, the radius of curvature increasing toward a free end of the arm 27.

REFERENCES:
patent: Re30591 (1981-04-01), Newell
patent: 2802636 (1957-08-01), Sandford
patent: 3055638 (1962-09-01), Good
patent: 3078074 (1963-02-01), Benedict
patent: 3231240 (1966-01-01), Naito
patent: 3847378 (1974-11-01), Roemer, Jr.
patent: 5082248 (1992-01-01), Harig
patent: 5314166 (1994-05-01), Muir

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