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.

Date of Patent:
Jul. 13, 1999

Filed:

Nov. 12, 1997
Applicant:
Inventors:

Shuzo Isozumi, Tokyo, JP;

Hideki Morikaku, Tokyo, JP;

Keiichi Konishi, Tokyo, JP;

Wakaki Miyaji, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417470 ; 417569 ; 921691 ;
Abstract

A high-pressure fuel-feed pump comprising: a pump body a locking member screwed to the pump body; a cylinder arranged between the locking member and the pump body, the cylinder including a fixing portion for receiving a compression force in a longitudinal direction when the locking member is screwed to the pump body, and a sliding portion continuous with the fixing portion and extending in the longitudinal direction; a plunger reciprocapable in the sliding portion of the cylinder; and a driving member for driving the plunger; wherein the fixing portion of the cylinder has a slit formed therein.


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