Winches

Details Winches Winches

B - Operations, Transporting

66

D

254/96

B66D 1/02 (2006.01)

Patent

CA 1215041

-19- ABSTRACT A marine winch has a winch drum (12), which is totally closed at the top, mounted on a base housing (14) in bearings (16) so as to rotate relative thereto on a i vertical axis. The winch drum (12) is driven in a given direction by pulling on a cord (28) which is wound around a self-recoiling pulley (19) in the base housing (14) to thereby rotate the pulley (19) and associated ratchet or clutch means (26) and pinion gear (22, 44, 61, 94) which either drives directly a gear ring (17, 66, 67, 68, 102) on the winch drum (12) or drives a gear ring (51, 52) through other meshed gears (46, 48). A sprag clutch (21) is operatively connected between the winch drum (12) and the base housing (14) to prevent rotation of the winch drum (12) in a direction opposite the given direction and to transmit load torque applied to the winch drum (12) to a gear plate (43, 56) to automatically change gear ratios.

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