Lift assembly systems and methods

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8613428
APP PUB NO 20130043449A1
SERIAL NO

13656995

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A lift assembly system and method can include: a funnel-shaped drum having a constant diameter portion and a gradually increasing diameter portion; a cable management system adapted to position a cable in a single layer in a tray; a beam clamp tube receiver adapted to allow a tube to slide relative to a beam and be secured to the beam; a cable keeper and a slack line detector adapted to maintain cables in position about a drum upon loss of cable tension; a horizontally oriented low profile cable adjuster adapted to adjust the length of a cable; an overspeed braking mechanism; a fleet pivot arm pivotable on the end of a tube so as to guide cables along a desired fleet angle; and/or a pull-type load sensor connected between a tube and a drum adapted to sense changes in a load force and adjust movement of a load.

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Patent Owner(s)

  • ELECTRONIC THEATRE CONTROLS, INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hoffend,, III Donald A Annandale, US 20 146

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