Winch with reverse rotation protection

Details Winch with reverse rotation protection Winch with reverse rotation protection

B - Operations, Transporting

66

D

B66D 1/36 (2006.01)

Patent

CA 2176900

A winch drum having a cable wrapped around a cylindrical surface of the drum and clamped to one end plate of the drum is modified by the addition of a member which inhibits reverse winding of the cable onto the drum. The member is attached to the clamped end of the cable and includes a tubular portion which is arcuate so as to follow the curvature of the cylindrical surface of the drum with a part cylindrical plate portion which projects outwardly to one side of the cable so as to lie flat against the cylindrical surface of the drum. When the cable is paid out to the maximum position, the member leaves the drum and impacts the frame of the winch to prevent or inhibit continued rotation of the drum in the payout direction which would otherwise cause winding of the cable in the reverse direction. The device for preventing reverse winding is particularly useful in winches which include a safety brake to restrict and control payout of the cable.

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