Winches

Details Winches Winches

2007-08-28

2007-08-28

Marcelo, Emmanuel M (Department: 3654)

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

C254S328000, C254S367000

Reexamination Certificate

active

10531471

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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patent: WO99/32390 (1999-07-01), None

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