Title:
PIN CYLINDER LOCK
Document Type and Number:
Japanese Patent JP2002256742
Kind Code:
A
Abstract:
To provide a pin cylinder lock having many key variations and rarely suffering from picking.
A semispherical section 3 is formed at the tip of the body section 2 of a duplicate key 1, and a recess 4 coupled with a tumbler pin is two- dimensionally developed along the surface of the semispherical section 3.
Inventors:
IMAI AKIHIKO
TANAKA TAKUYA
TANAKA TAKUYA
Application Number:
JP2001060705A
Publication Date:
September 11, 2002
Filing Date:
March 05, 2001
Export Citation:
Assignee:
MIWA LOCK KK
International Classes:
E05B27/10; E05B15/00; (IPC1-7): E05B27/10; E05B15/00
Attorney, Agent or Firm:
Takeo Iida
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