Building evacuation door opening device

The utility model discloses a building evacuation door opening device which comprises a door frame, a locating pin is connected into the door frame in a sliding mode, the lower end of the locating pinis connected with a pull rod through threads, the right end of the locating pin is connected with a...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	LIU GUOJIA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES THEREFOR BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS CHECKS FOR WINGS DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION FIXED CONSTRUCTIONS HANDCUFFS KEYS LOCKS SAFES WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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