A door system for a mine stopping

Details A door system for a mine stopping A door system for a mine stopping

E - Fixed Constructions

05

C

E05C 3/04 (2006.01) E05B 17/00 (2006.01) E05B 63/04 (2006.01)

Patent

CA 2066075

A door system for use in a mine stopping comprises a door frame for installation in the stopping to define a doorway, a door hinged to a first side of the door frame for swinging between an open position and a closed position in which the door closes the doorway, and a latch for latching the door in its closed position. The latch comprises a strike which is secured to a second side of the door frame generally opposite the first side and which has a strike plate portion disposed in the doorway in a plane generally perpendicular to the plane of the doorway and spaced from the second side of the door frame thereby to create a void between the strike plate portion and the second side of the doorway. The strike plate portion has a latching aperture therein. A latching bar is mounted on one face of the door for pivotal movement on an axis generally perpendicular to the door between a latching position in which the latching bar is adapted to project through the latching aperture and into the void to latch the door closed, and a release position in which the latching bar is removed from the latching aperture to permit the door to be opened.

Cette invention concerne une porte pour mur de condamnation de galerie de mine montée à charnières sur un des montants d'un cadre de porte installé dans ledit mur, de manière à pouvoir pivoter entre une position fermée et une position ouverte et comportant un dispositif de verrouillage en position fermée. Le dispositif de verrouillage comprend une gâche fixée sur le montant de cadre opposé à celui muni de charnières, ladite gâche ayant une plaque de façade généralement perpendiculaire au plan de la porte et espacée du second montant de manière à ce qu'il y ait un vide entre elle et ledit montant. La plaque de façade comporte une ouverture destinée à recevoir une barre de verrouillage montée sur une des faces de la porte de manière à pivoter autour d'un axe généralement perpendiculaire au plan de la porte entre une position de fermeture et une position d'ouverture. La barre de verrouillage est disposée de manière à pouvoir s'engager dans l'ouverture de la gâche et l'espace vide ménagé derrière la plaque de façade de cette dernière pour verrouiller la porte et en être retirée pour permettre l'ouverture de la porte.

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