Hoist assembly

Details Hoist assembly Hoist assembly

2006-06-01

2009-02-03

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

C254S393000, C254S413000

Reexamination Certificate

active

07484712

ABSTRACT:
A hoist assembly for raising and lowering a load attached to a cable having a drum with a groove spirally disposed about its outer surface mounted within a frame. The groove having a predetermined pitch and configured to receive the cable wound about the drum. The drum has a cable take-off point where the cable ceases contacting the drum and is tangent to the drum. A head block is mounted to the frame and configured to receive the cable as it wound and unwound on the drum while maintaining tangential alignment with said take-off point.

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patent: 1038561 (2000-09-01), None
patent: 2348151 (2000-09-01), None
Web page—Big Tow Winches.
Brochure—Big Tow 2 Winches.

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