Multi-door electrical equipment enclosure with mechanical...

E - Fixed Constructions – 04 – H

Patent

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Details

E04H 17/00 (2006.01) E05B 65/00 (2006.01) E05B 65/04 (2006.01) E05C 7/06 (2006.01) H02B 1/38 (2006.01)

Patent

CA 2245619

A multi-door enclosure for housing electrical equipment has a mechanical interlock device that interacts with a main primary door of the enclosure and the existing latch mechanisms of each of the remaining secondary doors to prevent such secondary doors from being opened unless the primary door is first opened. The interlock includes a lever arm that engages and is displaced by the primary door when closed. Such movement of the lever arm is transmitted via a mechanical linkage system to move one or more latch disabling members into disabling relation with the latch mechanisms of each of the secondary doors in order to retain the latch mechanisms in their latched positions and thereby lock the secondary doors in the closed position. Opening the secondary door allows the lever arm to return to its initial position which in turn retracts the latching members and allows unlatching and opening of the secondary doors.

Boîtier à plusieurs portes servant à abriter de l'appareillage électrique possédant un dispositif d'interverrouillage mécanique utilisé avec la porte principale et les mécanismes de verrouillage existants de chacune des portes secondaires, afin d'empêcher que les portes secondaires soient ouvertes si la porte principale n'a pas d'abord été ouverte. Le dispositif d'interverrouillage comprend un bras de levier qui attaque la porte principale et qui est déplacé par la porte principale lorsqu'elle est fermée. Ce mouvement du bras de levier est transmis par une liaison mécanique afin de déplacer un ou plusieurs éléments de mise hors service des verrous en position hors service par rapport aux mécanismes de verrouillage de chacune des portes secondaires en vue de retenir les mécanismes de verrouillage en position verrouillée et de verrouiller ainsi les portes secondaires en position fermée. L'ouverture d'une porte secondaire permet au bras de levier de revenir à sa position initiale qui, à son tour, fait rentrer les éléments de verrouillage et permet le déverrouillage et l'ouverture des portes secondaires.

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