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
2006-02-14
2006-02-14
Marcelo, Emmanuel (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
Reexamination Certificate
active
06997442
ABSTRACT:
A lift assembly having a drum rotatably mounted to a frame and linearly translatable with respect to the frame. A plurality of head blocks are connected to the frame along a helical mounting path, wherein linear translation of the drum during takeoff or take-up maintains a predetermined fleet angle between a take off point from the drum and the head block.
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Harter Secrest & Emery LLP
Marcelo Emmanuel
Salai Esq. Stephen B.
Shaw Esq. Brian B.
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