Patent ID: 7174940

Claim:
A roller blind structure comprising: a) a roller blind having: i) a roller shaft; ii) an operating member; iii) a winding device having a linkage member attached at each of two ends of the roller shaft; and iv) two pivoting rods, one of the two pivoting rods is located at each of the two ends of the roller shaft and protruding outwardly from an outer side of the winding device; b) a pair of clamping members; c) two support brackets, each of the two support brackets having: i) a pivoting groove, one of the two pivoting rods is inserted into the pivoting groove of each of the two support brackets; and ii) a plurality of retaining recesses, a first end of each of the pair of clamping members is located in one of the plurality of retaining recesses of a first of the two support brackets and a second end of each of the pair of clamping members is located in one of the plurality of retaining recesses of a second of the two support brackets; d) a blind body having: i) an extension piece inserted through and selectively fixed in a predetermined position by the pair of clamping members, the extension piece having a sheltering cap located on a first end thereof and covering an upper side of the roller shaft; and ii) a decoration piece having a first end connected to a second end of the extension piece and a second end connected to the roller shaft, the operating member controlling the winding device and the linkage member, the winding device and the linkage member selectively rotating the roller shaft clockwise and counterclockwise and selectively rolling and unrolling the blind body, each of the extension piece and the decoration piece having a plurality of light-passable areas alternatively arranged with a plurality of black-out areas on a surface thereof; and e) a counterweight article placed in a curving turn of the blind body separating the extension piece and the decoration piece.