Title:
DISC TUMBLER LOCK
Document Type and Number:
Japanese Patent JP2002061431
Kind Code:
A
Abstract:
To provide a disc tumbler lock having difficulty in illegal unlocking by picking.
A serration is formed along a bus bar of the circumferential surface of a guide pin 4 of the disc tumbler lock therein, and a serration groove capable of being engaged with the serration of the guide pin is formed in the side end edge of a tumbler 2 coming into contact with the guide pin.
Inventors:
NAKAI IKUO
Application Number:
JP2000254146A
Publication Date:
February 28, 2002
Filing Date:
August 24, 2000
Export Citation:
Assignee:
MIWA LOCK KK
International Classes:
E05B29/04; E05B15/00; (IPC1-7): E05B29/04; E05B15/00
Attorney, Agent or Firm:
Takeo Iida
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