Labor-saving lift cord winding mechanism for blind

Details Labor-saving lift cord winding mechanism for blind Labor-saving lift cord winding mechanism for blind

E - Fixed Constructions

06

B

E06B 9/322 (2006.01)

Patent

CA 2357220

A labor-saving lift cord winding mechanism includes a bearing block fixedly fastened to the top rail of a blind, a lift cord winding shaft pivotally supported on the bearing block, a lift cord inserted through a wire hole of the bearing block and connected between the bottom rail of the blind and the lift cord winding shaft, a driving device adapted to rotate the lift cord winding shaft clockwise/counter-clockwise to further take up/let off the lift cord, and an auxiliary member adapted to impart a biased force to the lift cord winding shaft to force the lift cord winding shaft to take up the lift cord.

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