Title:
DISC TUMBLER LOCK DEVICE
Document Type and Number:
Japanese Patent JP2002047834
Kind Code:
A
Abstract:
To provide a disc tumbler lock free from the occurrence of an abnormal unlocked state actually unlocked in spite of the establishment of locking.
A keeper tumbler storage hole 12 is provided in the diametrical direction of a rotor, and a keeper tumbler engaging/disengaging groove 13 for a lock position is provided on the inner peripheral surface of a fixed outer cylinder 1. A pair of opposedly arranged keeper tumblers 11 are energized to move in reverse directions by a spring 14, A keeper key code part formed at the side part of a key abuts on the edge face of a key through hole 16 of the keeper tumbler 11 to allow the tip part of the keeper tumbler 11 to escape from the keeper tumbler engaging/disengaging groove 13.
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Inventors:
SUGIMOTO NAOYUKI
Application Number:
JP2000237587A
Publication Date:
February 15, 2002
Filing Date:
August 04, 2000
Export Citation:
Assignee:
TAKIGEN MFG CO
International Classes:
E05B29/06; (IPC1-7): E05B29/06
Attorney, Agent or Firm:
Masuda Mamoru
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