Title:
DOOR LOCK DEVICE
Document Type and Number:
Japanese Patent JP2002070385
Kind Code:
A
Abstract:
To provide a door lock device capable of preventing the illicit opening of a door by providing such a structure that the lock unit of the door cannot be immediately operated even if a lock unit is unlocked.
The door A comprises a lock unit B and a lock unit C for fixing the door A to a fixed frame. A clutch 15 is provided between the lock unit B and the lock unit C. The clutch 15 is normally separated by a spring 13, and coupled by approaching a magnet key D to the outer surface of the door A, and the door can be opened when the clutch D is coupled.
Inventors:
SEGAWA SHIRO
Application Number:
JP2000257720A
Publication Date:
March 08, 2002
Filing Date:
August 28, 2000
Export Citation:
Assignee:
TAKIGEN MFG CO
International Classes:
E05B63/14; E05B47/00; (IPC1-7): E05B63/14; E05B47/00
Attorney, Agent or Firm:
Masuda Mamoru
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