B - Operations – Transporting – 66 – D
Patent
B - Operations, Transporting
66
D
364/28, 342/31
B66D 5/00 (2006.01) B66D 5/30 (2006.01)
Patent
CA 1147835
ABSTRACT A device for precisely positioning a hoist sus- pended load which operates by temporarily releasing the hoist brake for a predetermined limited time period without actuating the hoist motor so that the load is lowered through a small incremental distance by the influence of its own weight. A control signal may be generated by a delay timer, a repeat cycle timer, a digital timing device or a device for detecting the degree of movement of the hoist itself.
345226
Cooper Alton H.
Schreyer Kenneth D.
Columbus Mckinnon Corporation
Marks & Clerk
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