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Patent Searching and Data


Title:
CYLINDER LOCK
Document Type and Number:
Japanese Patent JP2000027501
Kind Code:
A
Abstract:

To improve the precision of a cylinder lock and dispose a lock hole shielding plate for preventing the insertion of a key out of a prescribed shape at the opening part of a key hole to contribute to a crime prevention measure by combining two-divided cylinder parts along the longitudinal direction.

A cylinder part is divided into one cylinder part 19a and the other cylinder part 19b along the longitudinal direction to be combined, the base ends 28 of the cylinder parts 19a, 19b are tightened and fixed by a band 24 and the edges 29 are tightened and fixed by a cover body 18. A blind hole 29c for frequently inserting a lock hole shielding plate 26 is drilled in the opposed face of the edge part 29, and the lock hole shielding plate 26 is inserted in a support hole 31 through a coil spring 27.


Inventors:
AOKI HIDEJI
Application Number:
JP21644998A
Publication Date:
January 25, 2000
Filing Date:
July 15, 1998
Export Citation:
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Assignee:
NILES PARTS CO LTD
International Classes:
E05B17/18; (IPC1-7): E05B17/18
Attorney, Agent or Firm:
Katsuji Matsuda