Winding system, rolling door assembly including the same and...

E - Fixed Constructions – 06 – B

Patent

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Details

E06B 9/68 (2006.01) E06B 9/76 (2006.01)

Patent

CA 2426068

A winding system for winding a rolling door assembly. The winding system includes a support bracket, first and second gears. The suppart bracket is preferably rigidly connectable to a fixed structure of the rolling door assembly, and has a receiving device and a supporting device. The first gear is pivotally mounted about the receiving device of the support bracket and rotatable thereabout along opposite first and second directions of rotation. The second gear is pivotally mounted about the supporting device of the support bracket and rotatable thereabout along opposite first and second directions of rotation. The second gear is operatively connected to a corresponding end of the counterbalancing spring of the rolling door assembly and is also threadedly engaged with the first gear such that, a rotation of the first gear along one of its first and second directions of rotation causes the second gear to rotate along a corresponding one of its first and second directions of rotation, thereby resulting in a corresponding winding of the counterbalancing spring of the rolling door assembly.

Système d'enroulement servant à enrouler une porte-rideau. Le système d'enroulement comprend une patte de support et deux roues d'engrenage. De préférence, la patte de support est rigide et peut être raccordée à une structure fixe de la porte-rideau et comporte un dispositif de réception et un dispositif de support. La première roue d'engrenage est montée sur le dispositif de réception de la patte de support de manière à pouvoir pivoter dans les deux sens de rotation. La seconde roue d'engrenage est montée sur le dispositif de support de la patte de support de manière à pouvoir pivoter dans les deux sens de rotation. La seconde roue d'engrenage est reliée fonctionnellement à l'extrémité correspondante du ressort d'équilibrage de la porte-rideau, et se visse dans la première roue d'engrenage de sorte que la rotation de la première roue d'engrenage, dans un sens comme dans l'autre, entraîne la rotation de la deuxième roue dans le sens de rotation correspondant, provoquant de ce fait l'enroulement ou le déroulement du ressort d'équilibrage de la porte-rideau.

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