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
1980-10-14
1982-11-09
Taylor, Billy 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
192 12B, 192 12C, 254323, 254376, 254379, B66D 114
Patent
active
043580882
ABSTRACT:
A drive train for a winch from a continuously rotating input source to an intermittently rotated drum in which the drive train is through a clutch, then to a shaft, then through a continuously driven internal brake which forms a part of the drive train from the shaft, then to the drive train to the drum, with the shaft being provided with a one-way clutch so that the brake automatically is engaged for lowering the load by reversing the drum. A free-spool circuit is provided which can be operated only in the brake release position for safety and is operated off the brake release hydraulic control fluid pressure. A static or manual pump control fluid circuit is provided for operating the clutch, brake and/or free spool. A combination driving clutch and drag clutch are energized by opposite directional movement of a single piston for coupling an input to an output or stopping movement of the output.
REFERENCES:
patent: 3853303 (1974-12-01), Wineburger
patent: 4076219 (1978-02-01), Behrends et al.
patent: 4078770 (1978-03-01), Yates et al.
patent: 4088305 (1978-05-01), Wineburner et al.
patent: 4090693 (1978-05-01), Hoehn et al.
patent: 4187936 (1980-02-01), Davenport
House Lawrence A.
Kumpa Vladimir
Magnuson John E.
Paccar of Canada Ltd.
Taylor Billy S.
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