Concealed type venetian blind lifting control mechanism

Details Concealed type venetian blind lifting control mechanism Concealed type venetian blind lifting control mechanism

E - Fixed Constructions

06

B

E06B 9/32 (2006.01) E06B 9/322 (2006.01)

Patent

CA 2368336

A concealed type Venetian blind lifting control mechanism is constructed to include a lift cord roll-up unit, the lift cord roll-up unit including a transmission shaft, two lift cord roll-up members synchronously rotated with the transmission shaft to roll up/let off the lift cords of the Venetian blind, and two stop members fixedly mounted on the transmission shaft, and a lift cord lock adapted to lock the transmission shaft. The lift cord lock includes a second stop member, two stop rods moved with the second stop member relative to the stop members of the lift cord roll-up unit to lock/unlock the transmission shaft, and spring member, which supports the second stop member in the engagement position.

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