Compound lift device

Details Compound lift device Compound lift device

2006-05-16

2006-05-16

Ramirez, Ramon O. (Department: 3632)

Supports

Stand

Understructure

C248S188200, C248S188100

Reexamination Certificate

active

07044423

ABSTRACT:
The present invention is a compound motorized lift device facilitating the uninterrupted and nearly noiseless movement of a low-profile television. The invention is comprised of a base unit, an intermediate unit, and a support unit slidably disposed in a telescoping fashion in the described order. A pair of linearly extensible slides are fastened between base and intermediate units and between intermediate and support units. The intermediate unit is extended and retracted with respect to the base unit in a linear fashion via a motor driven screw. The support unit is extended and retracted in a linear fashion via a cable-pulley arrangement that couples motion by the intermediate unit in a likewise direction to the support unit.

REFERENCES:
patent: 3943844 (1976-03-01), Standbridge et al.
patent: 4400736 (1983-08-01), Weiss
patent: 6073892 (2000-06-01), Dittmer
patent: 6148741 (2000-11-01), Motta
patent: RE37559 (2002-02-01), Marue et al.
patent: 6416027 (2002-07-01), Hart
patent: 6494150 (2002-12-01), Phoenix et al.
patent: 6796537 (2004-09-01), Lin
patent: 6874432 (2005-04-01), Lanphear

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