CH598578

A door securing light barrier with a plurality of optically active devices, between which the light barrier beam extends through at least part of the door opening and whereof one emits an electrical signal when the light barrier beam is broken, the angle of the light beam of the light beam emitting...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KARL HANS SACKMANN, ERWIN LANGENBACH
Format:	Patent
Sprache:	eng
Schlagworte:	CHECKS FOR WINGS DETECTING MASSES OR OBJECTS DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION FIXED CONSTRUCTIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS KEYS LOCKS MEASURING PHYSICS SAFES TESTING WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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Beschreibung
Zusammenfassung:	A door securing light barrier with a plurality of optically active devices, between which the light barrier beam extends through at least part of the door opening and whereof one emits an electrical signal when the light barrier beam is broken, the angle of the light beam of the light beam emitting device being adjustable relative to a fixed casing.