Disconnect for sectional door operator

E - Fixed Constructions – 05 – F

Patent

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Details

E05F 15/16 (2006.01) E05F 3/22 (2006.01)

Patent

CA 2366537

An operating system (10) for controllably moving a sectional door (D) between open and closed positions comprising a counterbalancing system (30) having a drive tube interconnected with the sectional door (D) and an operator motor (40) mounted adjacent to the drive tube (31), a drive train interconnecting the drive tube (31) and the operator motor (40) for selectively driving the drive tube (31) for moving the sectional door (D) between the open and closed positions, a coupler (50) in the drive train selectively retractable from a driving position and a remotely-actuated disconnect assembly (60) operatively attached to the coupler (50), wherein the disconnect assembly (60) retracts the coupler (50), whereby the sectional door (D) may be manually moved toward either of the open position and the closed position.

L'invention concerne un système (10) destiné à ouvrir et fermer une porte en sections (D) équipé d'un mécanisme d'équilibrage (30) présentant un tube de commande relié à la porte en sections (D) et un moteur (40) monté adjacent au tube de commande (31), d'une transmission reliant le tube (31) et le moteur (40) permettant ainsi la commande sélective du tube (31) et le déplacement de la porte (D) d'une position ouverte à une position fermée, d'un manchon (50) placé dans la transmission pouvant être rentrée sélectivement depuis la position d'entraînement, et d'un agencement de déconnexion actionné à distance (60) fixé au manchon (50), ledit agencement (60) rétractant le manchon (50) et la porte (D) étant déplacée manuellement d'une position ouverte à une position fermée.

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