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Patent Searching and Data


Title:
PUSH SWITCH
Document Type and Number:
Japanese Patent JP2003077364
Kind Code:
A
Abstract:

To obtain a stable click feeling of a push switch using a spherical click spring without taking much heed in positioning accuracy of the spherical click spring or assembling accuracy of a key-top.

A spherical click spring 5 is put on top of fixed contacts 3, 4 fitted to a wiring board 2 with its curved convex face upward. A bottom end part 12a of a key-top 12 is firmly fixed with an adhesive 13 at the center of the top face of the spherical click spring 5. The center of the spherical click spring 5 and the center of the key-top 12 are almost exactly in conformity, so that, when the spherical click spring 5 is reversed by the depressing of the key-top 12, the key-top will not deviate from the center of the spherical click spring 5, and a stable click feeling can be obtained.


Inventors:
HIRAHATA HIROSHI
TERUYAMA HIDEJI
IMAI NOBUTAKA
Application Number:
JP2001262134A
Publication Date:
March 14, 2003
Filing Date:
August 30, 2001
Export Citation:
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Assignee:
MITSUMI ELECTRIC CO LTD
International Classes:
H01H13/14; H01H3/12; H01H5/30; H01H13/48; H01H13/52; (IPC1-7): H01H13/14; H01H3/12; H01H5/30; H01H13/48; H01H13/52
Attorney, Agent or Firm:
Takayoshi Hayashi