Title:
CRIME PREVENTING APPARATUS
Document Type and Number:
Japanese Patent JP2002206359
Kind Code:
A
Abstract:
To solve a problem that a door is opened by a duplicate key or picking, thus indoor persons were put in danger in the past.
Since a bolt knob is fixed, the door is not opened, and indoor persons are safe.
More Like This:
| WO/2024/097616 | DOOR SECURITY DEVICE |
Inventors:
TANAKA YUKIHIRO
Application Number:
JP2001039204A
Publication Date:
July 26, 2002
Filing Date:
January 12, 2001
Export Citation:
Assignee:
TANAKA YUKIHIRO
International Classes:
E05B17/20; (IPC1-7): E05B17/20