Positive drive winch

Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum

Patent

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Details

254366, 254375, B66D 316

Patent

active

054029864

ABSTRACT:
A winch for retrieving and releasing rope or cable that is attached to a boat hoist or the like in order to lift or lower a boat located on the hoist. The release of the boat hoist to lower the boat into the water or the like is thus carried out safely and under controlled conditions.

REFERENCES:
patent: 2282634 (1942-05-01), Young
patent: 2356371 (1944-08-01), Anderson
patent: 2690240 (1954-09-01), Schroeder
patent: 2703162 (1955-03-01), Keim et al.
patent: 3081067 (1963-03-01), Hickson
patent: 3326398 (1967-06-01), Reed
patent: 3369795 (1968-02-01), Fujita
patent: 3894720 (1975-07-01), Koji
patent: 4046235 (1977-09-01), Shutt
patent: 4438904 (1984-03-01), White

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