Cordless blind

Details Cordless blind Cordless blind

E - Fixed Constructions

06

B

E06B 9/30 (2006.01) E06B 9/32 (2006.01)

Patent

CA 2377635

A cordless blind contains one or more springs in the bottomrail of the blind. Preferably the spring is a constant force spring motor and is connected to at least one cord collector in a manner to maintain tension on the cord collector. The tension causes the lift cords to be collected on the cord collector when the cord collector and the lift cords are free to move, thereby moving the bottomrail toward the headrail. Preferably, a lock mechanism is attached to the cord collector or the lift cords. The lock mechanism has a locked position wherein the lift cords are restrained from being collected on the cord collector and has an unlocked position that allows the lift cords and cord collector to move.

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