Jack shaft garage door operator

E - Fixed Constructions – 05 – F

Patent

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Details

E05F 11/54 (2006.01) E05D 15/24 (2006.01) E05F 15/10 (2006.01) E05F 15/14 (2006.01) E05F 15/16 (2006.01)

Patent

CA 2194381

A jack shaft garage door operator (10) is used for positively opening and closing a garage door (20) and includes a jack shaft garage door operator drive (22) having an electric motor (30). The electric motor (30) is connected to a jack shaft garage door operator transmission (24). The transmission (24) includes an opening flexible link cable drive (122) wrapped around it. Also connected to the jack shaft (10) is a second cable drum (112) having a closing flexible link or closing cable (150) wound in the opposite direction from the opening cable (122). A compressional force transmitting member (164) comprising a quick-turn bracket (168) couples the closing cable (150) to the garage door (20) and is itself connected to an upper portion of the garage door (20) to transmit a positive closing force to the garage door (20) throughout its entire travel as the closing cable (150) is drawn in and the opening cable (122) is payed out under the operation of the electric motor (30).

L'invention porte sur un mécanisme d'ouverture/fermeture (10) positive de porte de garage (20) à arbre enrouleur comportant un dispositif d'entraînement (22) actionné par un moteur électrique (30). Ledit moteur (30) est couplé à la transmission (24) du mécanisme de porte de garage. Ladite transmission (24) comporte un élément de commande d'ouverture (122) sous la forme d'un câble enroulé autour de celle-ci (122). Un second tambour (112) solidaire de l'arbre, autour duquel s'enroule dans le sens opposé le câble de commande de fermeture (150) est également couplé à l'enrouleur (10). Un élément (164) transmettant les forces de compression comportant une potence (168) à pivotement rapide relie le câble de fermeture (150) à la porte (20) du garage et se trouve lui-même relié à la partie supérieure de la porte (20) à laquelle il transmet la force de fermeture sur la totalité de sa trajectoire, à mesure que le câble de fermeture (150) s'enroule et que le câble d'ouverture (122) se déroule, sous l'action du moteur électrique (30).

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