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:
Dec. 22, 1981
Filed:
Jun. 21, 1979
Applicant:
Inventor:
Takatoshi Arai, Yoshimi, JP;
Assignee:
Jidosha Kiki Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417417 ;
Abstract
In an electromagnetic pump wherein a sleeve containing a reciprocating pump is clamped between inlet and outlet fixtures, a cylindrical rubber ring is mounted about the sleeve and compressed by the inlet and outlet fixtures to come into intimate contact against the sleeve thus forming a seal.