Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CRIME PREVENTION DEVICE FOR KEY
Document Type and Number:
Japanese Patent JP2002295076
Kind Code:
A
Abstract:

To provide a crime prevention device for a key of a simple structure, capable of preventing picking of the key.

An opening and closing upper cover 2 for covering a keyhole 3 of a door 4 and an alarm device 5 for generating an alarm in the open state of the upper cover 2 are fitted to a cover base 1. When the key of the door 4 is locked, the upper cover 2 is closed to cover the keyhole 3 and fixed not to be easily opened by the stopper 10. The cover base 1 is fixed to the surface of the door by an adhesive or the like. In this state, the projecting part of the upper cover 2 pushes a switch 8 of the alarm device 5 to be ready for generating an alarm, and when the upper cover 2 is opened, the switch 8 is operated to generate an alarm. On the other hand, an alarm operating device 21 is operated to release an alarm, whereby the upper cover 2 is opened to unlock the door.


Inventors:
KUNUGINO YASUHIRO
NAKAGAWA SHINICHI
Application Number:
JP2001000103353
Publication Date:
October 09, 2002
Filing Date:
April 02, 2001
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TAKARA SANGYO KK
International Classes:
E05B45/14; E05B13/00; E05B17/20; E05B19/00; (IPC1-7): E05B45/14; E05B13/00; E05B17/20; E05B19/00
Attorney, Agent or Firm:
小森 久夫



 
Previous Patent: DOUBLE LOCK SYSTEM

Next Patent: WINDOW LOCKING DEVICE