Braking system for powered window covering

Details Braking system for powered window covering Braking system for powered window covering

E - Fixed Constructions

06

B

E06B 9/68 (2006.01) E05F 5/00 (2006.01) E06B 9/32 (2006.01) E06B 9/90 (2006.01) H02K 49/10 (2006.01)

Patent

CA 2467530

Small permanent magnets are affixed to the protruding portion of a rotor of a motor that is coupled to gears in a gear enclosure. The rod of a window covering, is coupled to the gears such that when the motor is energized by a user command signal, the window covering moves. Small braking magnets are also affixed to the receptacle of the gear enclosure, such that when the motor is deenergized, the magnetic coupling between the magnets of the rotor and those of the gear enclosure brakes the rod from turning under the weight of the window covering.

De petits aimants permanents sont fixés à la partie saillante du rotor d'un moteur qui est couplé à des engrenages dans un carter d'engrenages. La tige du couvre-fenêtre est couplée aux engrenages pour que, lorsque le moteur est alimenté à la suite d'une commande de l'utilisateur, le couvre-fenêtre se déplace. De petits aimants de freinage sont également fixés au réceptacle du carter d'engrenages, pour que, lorsque le moteur n'est plus alimenté, le couplage magnétique entre les aimants du rotor et ceux du carter d'engrenages empêche la tige de tourner en raison du poids du couvre-fenêtre.

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