Latch arrangement

A latch arrangement includes a lever movable in response to movement of a door lever. A controller is configured for selectively preventing movement of the lever. The controller includes a mono-stable blocking element in the form of a bi-metallic strip which can be operated such that a distal end ac...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KALSI GURBINDER S, OLIVIER JEAN V, PEATEY DAVID, CLAWLEY ROBERT J, MOORE PAUL, CAVALLUCCI DENNIS, CHONAVEL SYLVAIN R, RHODES CHRIS, SPURR NIGEL V, TOLLEY ROBERT F
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS FIXED CONSTRUCTIONS HANDCUFFS KEYS LOCKS SAFES WINDOW OR DOOR FITTINGS
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Beschreibung
Zusammenfassung:	A latch arrangement includes a lever movable in response to movement of a door lever. A controller is configured for selectively preventing movement of the lever. The controller includes a mono-stable blocking element in the form of a bi-metallic strip which can be operated such that a distal end acts to block movement of the lever. The controller also includes a bi-stable blocking element having a nib that can be moved to an extended position to block movement of the lever. Both blocking elements can be operated at the same time. When either of the blocking elements are arranged in the path of the release lever, unlatching of the door is prevented.