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...

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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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Beschreibung
Zusammenfassung:	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 door body 2 on the upper side and a second door body 3 on the lower side. The first door body 2 is provided with a latch 16 that can project downward from a lower end face 23. The upper end face 32 of the second door body 3 is provided with a latch receiver 17 to which the latch 16 in a projecting attitude is locked. The latch 16 is in a retreat attitude retreated upward when the first door body 2 in a storage attitude or turns into a closing attitude from the storage attitude. The latch 16 is in the projecting attitude only when the first door body 2 is in the closing attitude, and is locked to the latch receiver 17 of the second door body 3 when the first door body 2 is in the closing attitude. COPYRIGHT: (C)2011,JPO&INPIT