Mechanism for untangling window cords

Details Mechanism for untangling window cords Mechanism for untangling window cords

E - Fixed Constructions

06

B

E06B 9/30 (2006.01)

Patent

CA 2633690

A lifting system for a window covering has a movable shaft disposed within a cradle that is held within a head rail. The movable shaft has an end portion and a lift cord wrapping portion. A lift cord is connected to the movable shaft. A transition member is disposed between the end portion and the lift cord wrapping portion. The transition member acts as a ramp to facilitate migration of the lift cord to the lift cord wrapping portion once bird nesting has occurred.

La présente invention concerne un système de levage pour un habillage de fenêtre ayant un arbre mobile disposé à l'intérieur d'une traverse maintenue à l'intérieur d'un rail de tête. L'arbre mobile a une partie d'extrémité et une partie d'enroulement de corde de levage. Une corde de levage est reliée à l'arbre mobile. Un élément de transition est disposé entre la partie d'extrémité et la partie d'enroulement de corde de levage. L'élément de transition agit comme une rampe pour faciliter la migration de la corde de levage vers la partie d'enroulement de corde de levage une fois que la nidification d'oiseaux s'est produite.

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