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Patent Searching and Data


Title:
LOCK DEVICE
Document Type and Number:
Japanese Patent JP2002309818
Kind Code:
A
Abstract:

To provide a lock device in which a key hole for unlocking a lock is made unnecessary while a place where the lock is installed cannot be recognized visually from the outside and an alarm device is operated when an intruder intends to grope and find the place of the lock.

The second dead bolt 10 operated by magnetic force and the alarm device 20 operated by magnetic force are installed at arbitrary places besides a lock with a latch bolt 5 operated by a door knob 4 and the dead bolt 7 operated by the lock 6.


Inventors:
WATANABE TOSHIO
Application Number:
JP2001000115475
Publication Date:
October 23, 2002
Filing Date:
April 13, 2001
Export Citation:
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Assignee:
WATANABE TOSHIO
International Classes:
E05B63/14; E05B45/06; (IPC1-7): E05B63/14; E05B45/06
Attorney, Agent or Firm:
中山 清