B - Operations – Transporting – 66 – D
Patent
B - Operations, Transporting
66
D
B66D 1/06 (2006.01) B66D 5/34 (2006.01)
Patent
CA 2086379
SAFETY WINCH ABSTRACT OF THE DISCLOSURE A winch, for example, for winding in and paying out a cable attached to a person in a hazardous situation, for example underground, comprises a pair of axles mounted on a frame, one of the axles carrying the cable drum for rotation therewith. Two safety brakes are provided, one on each axle, and each including a cam actuated clutch so that rotation of the drum in the pay-out direction is only allowed when the axles are driven in the pay-out direction. A handle for driving the axles includes two hand grasp portions for different mechanical advantage. The handle can be located at two different positions on a drive sprocket on one of the axles or on a second drive sprocket freely rotatable on the first axle for different drive ratios.
Ade & Company
Baziuk Morris
LandOfFree
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