Patent ID: 9605838
Date: 2017-03-28
CPC Classifications: F21S,F21V,F21W

Claim:
1. A safe lighting system, comprising: a polygonal pipe cylinder installing at a building wall; a polygonal lifting unit moving up and down along an inner wall of the polygonal pipe cylinder; a wire adjusting the height of the polygonal lifting unit, wherein the wire is connected to an upper side of the polygonal lifting unit; a lifting control unit controlling the height of the polygonal lifting unit by winding or releasing the wire; and a lighting apparatus installed at the polygonal lifting unit, wherein the height of the lighting apparatus is adjusted by the lifting control unit, and the installation and the maintenance of the lighting apparatus can be done on the ground by lowering the lighting apparatus, wherein the polygonal lifting unit has a stopper in a lower side for stopping the polygonal lifting unit to a stopping bump which is formed periodically with a certain distance in the inner wall of the polygonal pipe cylinder.