Winches
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 28, 2007
Grant Date -
May 11, 2006
app pub date -
Oct 16, 2003
filing date -
Oct 16, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A winch assembly (38) comprising a winch (10) having a winch spool (23), an hydraulic drive motor (15), a clutch (17) for directly coupling the drive motor (15) to the winch spool (23) to effect rotation of the winch spool (23) by the drive motor (15), an hydraulic power pack (39) having an hydraulic pump (40) driven by an electric motor (42) for supplying hydraulic fluid to the winch drive motor (15) via a valve assembly (45) and a controller (43) for controlling operation of the hydraulic power pack (39) and the valve assembly (45) to control the supply of hydraulic fluid from the hydraulic power pack (39) to the winch drive motor (15).
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