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Title:
KEY CYLINDER STRUCTURE
Document Type and Number:
Japanese Patent JP3334259
Kind Code:
B2
Abstract:

PURPOSE: To realize the control for a variety of operations corresponding to the use of a key plate, by judging the use of the first grooved key plate (main key) and the use of the second grooveless key plate (subkey).
CONSTITUTION: A projection part 18 which is engaged through the intrusion into a groove 12 when the first grooved key plate 11 is used is formed on a slider 9 which is arranged in crossing with a key hole 7 on a rotor 4, having one edge projecting into the key hole 7, and a difference is generated in the shift stroke of the slider 9 in the use of the first key plate 11 and in the use of the second grooveless key plate 13, and this change is detected by a switch 17 which operates in multistage form through a switch lever 14.


Inventors:
Yoshio Watanuki
Application Number:
JP16723193A
Publication Date:
October 15, 2002
Filing Date:
July 07, 1993
Export Citation:
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Assignee:
Nissan Motor Co., Ltd
International Classes:
E05B83/00; B60R25/02; B60R25/021; B60R25/30; E05B29/00; (IPC1-7): B60R25/02; E05B29/00
Domestic Patent References:
JP58224835A
JP593829A
JP5758775A
Attorney, Agent or Firm:
Fujiya Shiga (2 outside)