Latch assembly of a fire door lock

Details Latch assembly of a fire door lock Latch assembly of a fire door lock

E - Fixed Constructions

05

C

E05C 3/22 (2006.01) A62C 2/24 (2006.01)

Patent

CA 2637056

A latch assembly of a fire door lock comprises a latch base with a bottom, a latch bolt, a stopper, a resilient member and a link member. The latch bolt is retractably pivotable within the latch base and having a blocking surface. The stopper is pivotable within the latch base and having a blocking protrusion. The resilient member is disposed between the bottom of the latch base and the stopper and contacts against the stopper. The blocking protrusion of the stopper is capable of engaging with the blocking surface of the latch bolt. The link member is disposed within the latch base and pivotally connected with the latch bolt.

Un ensemble de verrouillage de verrou de porte coupe-feu comprend une embase de verrou avec un fond, un pêne demi-tour, un taquet, un élément élastique et un élément de liaison. Le pêne demi-tour peut pivoter de manière rétractable dans l'embase du verrou et il peut présenter une surface de blocage. Le taquet peut pivoter dans l'embase du verrou et présente une saillie de blocage. L'élément élastique est placé entre le bas de l'embase du verrou et le taquet, et il s'appuie contre le taquet. La saillie de blocage du taquet peut s'engager avec la surface de blocage du pêne demi-tour. L'élément de liaison est placé dans l'embase du verrou et est raccordé par pivotement avec le pêne demi-tour.

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