The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 30, 1988
Filed:
Jul. 28, 1987
Applicant:
Inventors:
Keiji Yasuda, Handa, JP;
Yukihisa Oda, Chiryu, JP;
Assignee:
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
200 / ; 92 78 ; 200 / ; 200 / ; 2003021 ;
Abstract
A pressure switch comprising a housing, a diaphragm that divides the inside of the housing into a pressure chamber and an atmospheric chamber, a switch portion mounted in the atmospheric chamber, and a resilient cap fitted over the housing. A porous filter is held between the housing and the cap. The diaphragm is actuated according to the difference between the pressures inside the chambers. The switch portion consists of a movable contact and a fixed contact, and is connected to terminals.