A latchbolt assembly, with fusibly-actuated deadlocking

Details A latchbolt assembly, with fusibly-actuated deadlocking A latchbolt assembly, with fusibly-actuated deadlocking

E - Fixed Constructions

05

B

E05B 65/10 (2006.01) E05B 17/20 (2006.01) E05B 55/12 (2006.01) E05B 63/00 (2006.01) E05B 15/00 (2006.01) E05B 63/04 (2006.01)

Patent

CA 2179980

A link (52), used to allow retraction of the latchbolt (14) against the bias of a spring (30), is formed of a fusible material to insure that, in the presence of intense heat, the link (52) will melt and will no longer override a deadlocking pawl (43) to allow the latchbolt (14) to be withdrawn.

Un élément de liaison (52), utilisé pour permettre le retrait du pêne demi-tour (14) à l'encontre de l'action d'un ressort (30), est constitué d'un matériau fusible pour que, en présence de chaleur intense, il fonde et ne puisse plus surpasser un cliquet de verrouillage (43) pour permettre le retrait du pêne demi-tour (14).

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