DOOR OPENING/CLOSING APPARATUS

• Main Authors: INOUE KOSAKU, NIIYAMA TETSUJI, YAMADA MASASHI, MATSUSHITA YOSHIRO, OKUMURA KATSUYUKI
• Format: Patent
• Language: English
• Published: 03.12.2003
• Edition: 7
• Subjects: 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

PROBLEM TO BE SOLVED: To provide a door opening/closing apparatus which has its doors vertically moved to be opened/closed at an upper portion of an opening, prevents door opening/closing behavior from influencing peripheral items, has no limitations on its installation site, and dispenses with provision of a door storage case. SOLUTION: The door opening/closing apparatus is formed of the plurality of doors 2 arranged in the opening 1 side by side in the vertical direction, guide rails 3 arranged on both right and left sides of the opening 1, for guiding the doors 2 while maintaining the doors in a drooping state, a lifting means 5 for vertically lifting/lowering the doors 2 in the drooping state along the guide rails 3, and a rotating means 6 for rotatively opening the doors 2 which have reached the upper portion 1a of the opening 1 by the lifting operation of the lifting means 5, in a manner protruding the doors frontward F in sequence beginning from the upper one. COPYRIGHT: (C)2004,JPO