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
1993-06-03
1994-12-20
Gilreath, Stanley N.
Implements or apparatus for applying pushing or pulling force
Apparatus for hauling or hoisting load, including driven...
Device includes rotatably driven, cable contacting drum
254323, 254346, 254358, 254362, 254378, B66D 114, B66D 120, B66D 514
Patent
active
053740351
ABSTRACT:
A winch includes a reversible electrical motor with output shaft which drives a drum through a drive mechanism with multiple sprockets and gears to take up and let out a cable. The output shaft is connected through a one-way bearing to a brake hub. The brake lining on a brake arm is spring biased into engagement with the hub and prevents reverse rotation of the output shaft unless an electrical switch actuator is moved to a reverse position, camming the brake arm out of braking relationship with the hub. The drive mechanism may also be powered manually in the forward direction. If free-wheeling of the drum is desired, a knob is rotated to disconnect a clutch in the drive mechanism.
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Owners Manual and drawing of model LCW of Haulamatic winch; admittted prior art.
"Strongarm" electric winch owners manual, Dutton-Lainson Company, 1991.
"Powerwinch" owners manual, Apr., 1992.
Gilreath Stanley N.
Mansen Michael R.
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