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Emergency or evacuation lock comprising a dead bolt (5) and a latch bolt (6). A first rotatable follower (10) is operably connected to the dead bolt (5) for moving the deadbolt between an extended dead locking position and a retracted releasing position. A second rotatable follower (20) is operably connected to the latch bolt (6) for retracting the latch bolt (6) from an extended latching position to a retraced releasing position. The lock also comprises a blocking device (40) which is operably connected to the first follower (10) and the second follower (20) and arranged to prevent retraction of the latch bolt (6) by rotation of the second follower (20) in a latch retracting direction when the dead bolt (5) is in its extended dead locking position.
Emergency or evacuation lock comprising a dead bolt (5) and a latch bolt (6). A first rotatable follower (10) is operably connected to the dead bolt (5) for moving the deadbolt between an extended dead locking position and a retracted releasing position. A second rotatable follower (20) is operably connected to the latch bolt (6) for retracting the latch bolt (6) from an extended latching position to a retraced releasing position. The lock also comprises a blocking device (40) which is operably connected to the first follower (10) and the second follower (20) and arranged to prevent retraction of the latch bolt (6) by rotation of the second follower (20) in a latch retracting direction when the dead bolt (5) is in its extended dead locking position.
LOCK WITH DEAD BOLT AND LATCH BOLT
SCHLOSS MIT BOLZEN UND FALLE
SERRURE À PÊNE DORMANT ET PÊNE DEMI-TOUR
JENSEN LARS ( Autor:in )
06.12.2017
Patent
Elektronische Ressource
Englisch
IPC:
E05B
LOCKS
,
Schlösser
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