FIRE SHUTTER DEVICE WITH WING DOOR

PROBLEM TO BE SOLVED: To close a shutter more reliably by preventing a lower side door from bounding when closed, in a fire shutter device having a wing door comprising an upper side door and the lower side door. SOLUTION: The wing door in the fire shutter device with the wing door includes a first...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	YOKOI NAOKI
Format:	Patent
Sprache:	eng
Schlagworte:	BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS 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 KEYS LADDERS LOCKS SAFES WINDOW OR DOOR FITTINGS
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