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Patent Searching and Data


Title:
AUTOMATIC DOOR
Document Type and Number:
Japanese Patent JPH04161582
Kind Code:
A
Abstract:

PURPOSE: To make convenient the use of an automatic door and to promote safety by opening and closing a door automatically based on remote control and, at the same time, enabling locking in a state of opening and closing, and maintaining the door in a state of opening in the case of an earthquake.

CONSTITUTION: A motor 7 is made to forward and reverse with a control section 6 based on keying signals transmitted from a remote control 3, the turning effort is transferred to a door 1 through a clutch section 8 and an arm section 10, and the door 1 is automatically opened and closed. A door lock section 13 controlled by the control section 6 is provided to the inside of a door opening and closing unit 2, and the door 1 is capable of locking in a state of opening and closing. In addition, when an earthquake occurs in excess of a specific seismic coefficient, control signals are transmitted from the control section 6 based on operation of an earthquake detector 14, before the opening and closing of the door 1 is difficult, the door 1 is opened, and it is maintained in a state of opening.


Inventors:
HORIBE AKIRA
KONO HIROSHI
IWABUCHI SHOZABURO
TAKADA MASANAO
UCHIUMI NOBUO
OKUDERA HIROYUKI
Application Number:
JP1990000285271
Publication Date:
June 04, 1992
Filing Date:
October 23, 1990
Export Citation:
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Assignee:
FUJITSU GENERAL LTD
International Classes:
E05F15/10; E05B45/06; E05B47/00; E05F15/20; (IPC1-7): E05B45/06; E05B47/00; E05F15/10; E05F15/20