Apparatus for automatic closing of sliding doors

Details Apparatus for automatic closing of sliding doors Apparatus for automatic closing of sliding doors

E - Fixed Constructions

05

F

E05F 1/02 (2006.01) E05F 3/02 (2006.01)

Patent

CA 2240826

Apparatus (20) for automatically closing a sliding door (40), comprising a pneumatically controlled weighted piston (1) within a vertical tube 5' for operative connection to a sliding panel (13) forming part of a sliding door assembly such that sliding the panel into the open door position lifts the piston (1) which then falls again under its own weight with pneumatic control (6, 7) once the sliding panel is released, thus closing the door.

L'invention concerne un appareil (20) pour la fermeture automatique d'une porte coulissante (40). Cet appareil comprend un piston lesté (1) avec un système de commande pneumatique, dans un tube vertical 5', relié de manière opérationnelle à un panneau coulissant (13). Ce dernier fait partie d'un ensemble de porte coulissante, de telle sorte que le coulissement du panneau pour passer dans la position de porte ouverte provoque le soulèvement du piston (1). Ce dernier retombe de nouveau sous l'effet de son propre poids, avec un système de commande pneumatique, (6, 7), lors du relâchement du panneau coulissant, ce qui assure la fermeture de la porte.

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