Lift assembly systems and methods

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10227221
APP PUB NO 20150321116A1
SERIAL NO

14747230

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A lift assembly includes an article to be lifted between a lowered position and a raised position, a drive element coupled to the article, a power mechanism coupled to the drive element, and a power transfer mechanism coupled between the power mechanism and the drive element. The power transfer mechanism includes control electronics having a first upward limit switch adapted to deactivate the power mechanism when the article is lifted to a first upward height, and a second upward limit switch adapted to deactivate the power mechanism when the article is lifted to a second upward height higher than the first upward height.

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Patent Owner(s)

  • ELECTRONIC THEATRE CONTROLS INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bolz, Edwin W Queensbury, US 5 22
Florac, William Verona, US 1 4
Hoffend,, III Donald A Alexandria, US 20 146
Lichter, Michael Holzkirchen, DE 6 37

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