EP 0471112 A1 1992-02-19 - Latch bolt assembly with fusible member.
Latch bolt assembly with fusible member.
Türverriegelung mit Schmelzelement.
Verrouillage pour porte à élément fusible.
US 56677190 A
A latch bolt assembly having a blocking member (60A,60B) which is held in a non-blocking position by a fusible element (62A,62B) and which is biased into a blocking position upon a melting of the fusible element. In one embodiment of the invention, the blocking member (60A) is pivotable into a position to engage a portion of a handle mechanism (22) of the latch bolt assembly to prevent operation of the handle. In a second embodiment of the invention, the blocking member (60A) is slidably carried in the latch bolt (14) and is slidable into a position preventing retraction of the latch bolt upon a melting of the fusible element. <IMAGE> <IMAGE>
IPC 8 full level
E05B 65/10 (2006.01)
E05B 65/104 (2013.01)
Citation (search report)
Designated contracting state (EPC)
DE FR GB IT