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Patent Searching and Data


Title:
ALARM DEVICE FOR DOOR
Document Type and Number:
Japanese Patent JP2005120653
Kind Code:
A
Abstract:

To provide an alarm device for a door capable of securely detecting improper opening of the door by utilizing a clearance between the door and a door frame to give alarm or securely detecting improper unlocking for a door lock to give alarm.

This alarm device for the door is composed of a covering member covering the clearance between the door and the door frame and a mounting member for mounting the covering member on the door. The mounting member is composed of a surface side member and a rear surface side member mountable on front and rear surfaces of the door, respectively. A fixing member is provided to connect the surface side member with the rear surface side member. The mounting member is provided with an abnormality detection means for detecting improper unlocking and an alarm means operated by a detection signal from the abnormality detection means.


Inventors:
AOKI HIROSHI
Application Number:
JP2003000355537
Publication Date:
May 12, 2005
Filing Date:
October 15, 2003
Export Citation:
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Assignee:
KAKEN HANBAI KK
International Classes:
E05B45/14; G08B13/06; (IPC1-7): E05B45/14; G08B13/06
Attorney, Agent or Firm:
稲岡 耕作
川崎 実夫