Modular lift assembly

Details Modular lift assembly Modular lift assembly

2006-01-24

2006-01-24

Marcelo, Emmanuel (Department: 3654)

Implements or apparatus for applying pushing or pulling force

Device or member for contacting and guiding moving cable

Including rotatable, cable contacting, pulley wheel element

C254S388000, C254S331000

Reexamination Certificate

active

06988716

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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Cyclorama Batten Systems, Regional Performing Arts Center, Dec. 15, 1999.

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