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Title:
OPENING AND CLOSING DEVICE
Document Type and Number:
Japanese Patent JP2006124989
Kind Code:
A
Abstract:

To provide an opening and closing device capable of detecting abnormality when an opening and closing body operates and including a new configuration usable in monitoring illegal opening if necessary in design.

This opening and closing device is constituted by providing an inclination detection means in the opening and closing body performing closing, opening, and stopping operation. Here, it is preferable that the inclination detection means is provided in the vicinity of an end part of the opening and closing body on a side where an opening part is finally closed. When an inclination angle detected by the inclination detection means during closing and/or opening operation of the opening and closing body is different from an inclination angle at the normal attitude of the opening and closing body, travel of the opening and closing body is stopped, and an inclination angle detected by the inclination detection means while the opening and closing body is fully closed is different from an inclination angle at the normal attitude of the opening and closing body, it is preferable to inform abnormality.


Inventors:
YABUKI YOSHIO
NAGAO MASARU
TAKAHASHI DAISUKE
Application Number:
JP2004000312503
Publication Date:
May 18, 2006
Filing Date:
October 27, 2004
Export Citation:
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Assignee:
BUNKA SHUTTER
International Classes:
E06B9/84; E06B9/82
Domestic Patent References:
JPH03113095U1991-11-19
JPH0225697U1990-02-20
JPH02183081A1990-07-17
Attorney, Agent or Firm:
工藤 宣幸