Title:
DISC TUMBLER TYPE LOCK DEVICE
Document Type and Number:
Japanese Patent JP3020892
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To reduce the number of part items so as to reduce manufacturing cost, and assemble with high mechanical strength and high work efficiency.
SOLUTION: An inner cylinder 4 is provided with a tumbler receiving groove 5 partitioned by a partition groove 43. A front wall part of the inner cylinder 4 is provided with a lateral pair of pin receiving holes. A rear wall part of the inner cylinder 4 is provided with a lateral pair of pin receiving holes. A guide pin 20 is inserted in one pin receiving hole between a lateral pair of pin receiving holes. While pressing a spring supporting protrusion of a first disc tumbler and a second spring 26 in a diametrical direction by a spacer plate 28, a set pin 7 is inserted to compress a first spring between the guide pin 20 and the spring supporting protrusion of the first disc tumbler and to compress the second spring 26 between the spacer plate and a spring supporting protrusion 29 of a second disc tumbler 24.
Inventors:
Hideaki Takimoto
Application Number:
JP12806297A
Publication Date:
March 15, 2000
Filing Date:
May 01, 1997
Export Citation:
Assignee:
Takigen Manufacturing Co., Ltd.
International Classes:
E05B29/04; E05B15/00; E05B15/16; E05B21/06; E05B29/02; (IPC1-7): E05B29/04
Domestic Patent References:
| JP59217880A | ||||
| JP84380A | ||||
| JP39476U | ||||
| JP662152U | ||||
| JP5627248U |
Attorney, Agent or Firm:
Mamoru Masuda