Roller shutter door device

The utility model discloses a roller shutter door device which comprises a door frame, an installation frame, a bearing, a door shaft, a roller shutter door and a retainer. The two installation frames are fixedly installed on one side of the door frame, bearings are arranged on the opposite sides of...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG JIANCHENG, FAN ZHEN, WU ZENGDONG, YUE ZENGHAI, LIU SHENGJIE, QI ZHIYONG, YANG JINZHAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES LADDERS
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