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
1979-02-21
1980-10-28
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
114109, B66D 130
Patent
active
042303060
ABSTRACT:
A self-tailing winch of the type having a stationary frame and a rotatable drum. The tail of the rope or sheet is held in a groove between a pair of toroidal shaped gripping diaphrams of elastomeric material. There is a free space between each diaphram and the surface behind it whereby initial feeding of the sheet deflects the diaphrams into the free spaces. As the sheet moves toward the root of the groove, the resultant filling of the groove distorts the diaphrams against a greater reactive force.
REFERENCES:
patent: 3730483 (1973-05-01), Newell
patent: 3934482 (1976-01-01), Byers
patent: 4143855 (1979-03-01), Burton et al.
patent: 4151980 (1979-05-01), Burton et al.
Barlow Marine Limited
Jillions John M.
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