Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Reexamination Certificate
2011-01-04
2011-01-04
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
C254S362000
Reexamination Certificate
active
07862009
ABSTRACT:
A winch includes an electric motor having a fixed stator, and a cylindrical rotor which rotates about the stator. A drum is affixed to the rotor and carries the cable which is wound or unwound by the winch. The winch may be a drawworks for an oil and gas rig.
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Folk Robert
Lachance Adrian
Bennett Jones LLP
Marcelo Emmanuel M
Victory Rig Equipment Corporation
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