Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 26, 2006
Patent Application Number
10806144
Date Filed
March 23, 2004
Patent Primary Examiner
Patent 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.
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