B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
B66F 17/00 (2006.01) B66D 1/50 (2006.01) B66D 1/54 (2006.01) B66D 3/26 (2006.01)
Patent
CA 2389775
A device to detect a slack rope condition of a hoist which uses wire rope as a hoisting means: The device has 2 pivoted members, one is clamped to the hoist rope and the other has a grooved portion which is pressed against the hoist rope by the action of an adjustable spring. When a slack rope condition exists a rotation of the grooved member on a pivot takes place resulting in the tripping of a limit switch which may cut off lowering power and/or signal an alarm.
Faughnan Douglas
Na
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