Hydraulic system for operation of two winches
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United States of America Patent
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-
Aug 26, 1980
Grant Date -
N/A
app pub date -
Aug 18, 1978
filing date -
Aug 18, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Hydraulic system for operation of winches which are associated with powered friction pulleys for hauling a wire, the winch winding the wire onto the drum being provided with valves permitting the friction pulleys to idle freely when it is convenient to use the winch drum proper also for hauling the wire.
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