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:
Jun. 12, 2007

Filed:

Sep. 27, 2005
Applicants:

Hiroyuki Horimura, Wako, JP;

Kosuke Doi, Wako, JP;

Yoshikazu Kanazawa, Toyama, JP;

Masahiro Sawai, Toyama, JP;

Inventors:

Hiroyuki Horimura, Wako, JP;

Kosuke Doi, Wako, JP;

Yoshikazu Kanazawa, Toyama, JP;

Masahiro Sawai, Toyama, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/00 (2006.01); B21K 1/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

A spring retainer formed from a titanium alloy and comprising a cylinder and a brim formed integrally with the cylinder is disclosed. The brim has on a top thereof a slope formed such that a thickness of the brim decreases radially outwardly.


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