Title:
DISK LOCK DEVICE
Document Type and Number:
Japanese Patent JP3143402
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To quickly discriminate the improper usage of a key.
SOLUTION: The disk lock device consists of the combination of a lock body and a key 2, and a first disk for driving and a second disk 52 for making rotary operation by an improper key impossible are arranged rotatably into the cylindrical case of the lock body in the longitudinal direction. A notch 32 controlling the rotation of a key crest corresponding to the first disk but permitting revolution to a key crest corresponding to the second disk 52 is formed to the key inserting hole 34 of the second disk 52 within an angular range larger than the angular place of the stepped section of the first disk, and a recessed section 39', with which a lock bar 13 orthogonally disposed with each disk is engaged, is formed at the outer periphery of the second disk 52.
Inventors:
Hatsuo Nakai
Application Number:
JP30387196A
Publication Date:
March 07, 2001
Filing Date:
October 29, 1996
Export Citation:
Assignee:
Clover Co., Ltd.
International Classes:
E05B29/00; E05B29/06; (IPC1-7): E05B29/00; E05B29/06
Domestic Patent References:
| JP6307131A | ||||
| JP7269188A | ||||
| JP7145678A |
Attorney, Agent or Firm:
Yoshimitsu Suzuki