Auto lift ceiling lighting system

Details Auto lift ceiling lighting system Auto lift ceiling lighting system

2006-12-26

2006-12-26

Alavi, Ali (Department: 2875)

Illumination

Light source and modifier

Louvered or grid type modifier

C362S404000, C362S407000, C362S428000

Reexamination Certificate

active

07153001

ABSTRACT:
An auto lift ceiling lighting system in which the width of left and right rotary drums is formed as wide as the width of the flat cable and the flat cable is wound stably and vertically on the outer surface of the winding core in the left and right rotary drums so as not to become twisted. In the auto lift ceiling lighting system, the lamp can be turned on and off at any position and the flat cable supplying the electric power to the lamp does not become twisted and the balance of the lamp is maintained while the lamp ascends and descends.

REFERENCES:
patent: 6669135 (2003-12-01), Hartley
patent: 6837340 (2005-01-01), Strauss et al.
patent: 29807516 (1998-10-01), None
patent: 20-0279728 (2002-06-01), None
patent: 20-0304795 (2003-02-01), None

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