Title:
DISK TUMBLER LOCK
Document Type and Number:
Japanese Patent JP2002129786
Kind Code:
A
Abstract:
To provide a disk tumbler lock which defies illegal unlocking by picking.
According to the disk tumbler lock, a notch 13 is formed in at least one disk tumbler 2 at a one-directional end thereof. As a result, a step portion adjacent to the notch brings about erroneous recognition that the tumbler has been aligned with a shear line 7, whereby illegal unlocking of the disk tumbler lock is prevented.
Inventors:
MATSUO UMEO
Application Number:
JP2000322718A
Publication Date:
May 09, 2002
Filing Date:
October 23, 2000
Export Citation:
Assignee:
MIWA LOCK KK
MATSUYA CO LTD
MATSUYA CO LTD
International Classes:
E05B15/00; E05B29/04; (IPC1-7): E05B15/00; E05B29/04
Attorney, Agent or Firm:
Takeo Iida
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