Compact hoist accessories and combination systems

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10399832
APP PUB NO 20170137266A1
SERIAL NO

14941658

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A hoist system having a drum primarily self-contained within a batten, for raising and lowering lighting, sound equipment, curtains and the like, often in a performance environment. The compact system is highly scalable to a variety of spaces and applications, including school and public theaters and concert halls, as well as some homes, private business, etc. The hoist system may be adapted with safety mechanisms including an overspeed detector, which may comprise a centrifugal detection mechanism coupled to an elongate member of the system; dampening means; a compact mechanism for trimming or adjusting an operative length of elongate member; stabilizing pipe shaft bearings; elongate member diverter pulley mechanisms load balancing termination points. Additional features include various alternative combination hoist implementations and orientations, and alternative incorporated attachment mechanisms for use with the hoist system.

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First Claim

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Patent Owner(s)

  • ELECTRONIC THEATRE CONTROLS INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hoffend,, III Donald Aloysius Annandale, US 6 31
Hoffend,, Jr Donald Aloysius Alexandria, US 6 28

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