Title:
DETECTING SWITCH FOR OPENING/CLOSING OF DOOR FOR AUTOMOBILE
Document Type and Number:
Japanese Patent JP3713157
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To eliminate chattering of a contact and poor contact to prolong the life of a detecting switch.
SOLUTION: A rotor 8 having a cam is engaged with the rotationally moving part 9 of a cylinder lock 2 operated by a key 3, one plate spring within a pair of plate springs oppositely provided is pressed from the rear side by the cam 12 of the rotor 8 to bring it in contact with the other plate spring and make a contact 14 conductive, then it is further pressed to curve the other plate spring, and the contact part of the two plate springs is slided by a minute quantity. By this constitution, chattering or poor contact is not generated, and wear of the contact part due to sliding wear is eliminated to prolong the life.
Inventors:
Atsushi Ichimura
Application Number:
JP1367899A
Publication Date:
November 02, 2005
Filing Date:
January 22, 1999
Export Citation:
Assignee:
Tokyo Parts Industry Co., Ltd.
International Classes:
E05B17/22; E05B81/72; E05B83/36; H01H27/06; (IPC1-7): E05B17/22; E05B65/20; H01H27/06
Domestic Patent References:
| JP50131575U | ||||
| JP62173132U | ||||
| JP56145615A | ||||
| JP1163668U |