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Title:
PRESSURE SWITCH
Document Type and Number:
Japanese Patent JP2018029086
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a pressure switch capable of achieving complete electrical connection between a diaphragm and a fixed contact even when foreign matter invades between a summit of a bent section of the reversed diaphragm and the fixed contact, and capable of setting a contact position to the fixed contact of the summit of the bent section of the diaphragm at a stable contact position without increasing a contact resistance.SOLUTION: When a diaphragm 20B in a pressure switch is reversed, a cross-shaped abutting surface 13bt at a fixed contact 13 is abutted at four positions against an annular contact section 20br in the diaphragm 20B.SELECTED DRAWING: Figure 5

Inventors:
MATSUYAMA KENICHI
MIYAGAWA OSAMU
HAMABE YOSHIHIRO
Application Number:
JP2017226942A
Publication Date:
February 22, 2018
Filing Date:
November 27, 2017
Export Citation:
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Assignee:
SAGINOMIYA SEISAKUSHO INC
International Classes:
H01H35/34
Domestic Patent References:
JP2000322963A2000-11-24
JPS53113379U1978-09-09
JPH08235952A1996-09-13
JP2014089832A2014-05-15
JP2014107088A2014-06-09
Attorney, Agent or Firm:
Patent Business Corporation Tani/Abe Patent Office



 
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