Global Patent Index - EP 0471112 A1

EP 0471112 A1 1992-02-19 - Latch bolt assembly with fusible member.

Title (en)

Latch bolt assembly with fusible member.

Title (de)

Türverriegelung mit Schmelzelement.

Title (fr)

Verrouillage pour porte à élément fusible.

Publication

EP 0471112 A1 (EN)

Application

EP 90122946 A

Priority

US 56677190 A

Abstract (en)

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 1-7

E05B 65/10

IPC 8 full level

E05B 65/10 (2006.01)

CPC

E05B 65/104 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family

EP 0471112 A1 19920219; CA 2033762 A1 19920215; CN 1059011 A 19920226