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:
Dec. 14, 2010

Filed:

Mar. 24, 2006
Applicants:

Hiroyuki Sawabe, Ota, JP;

Yoshiaki Hiruma, Ota, JP;

Hiroyuki Yoshida, Ota, JP;

Inventors:

Hiroyuki Sawabe, Ota, JP;

Yoshiaki Hiruma, Ota, JP;

Hiroyuki Yoshida, Ota, JP;

Assignee:

Sanyo Electric Co., Ltd., Moriguchi-shi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 39/00 (2006.01); F04B 53/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A structure and method for fixing an upper cup muffler to an upper bearing portion. The upper bearing portion includes a step portion having an upper, lower and side surfaces. A peripheral edge portion between the upper and side surfaces of the upper bearing portion is declined outwardly to have a slant surface. The upper cup muffler includes a bottom surface and a peripheral side surface lower portion that extends downwardly from the edge portion of the bottom surface. The peripheral side surface lower portion gets across the slant surface of the upper bearing portion and is brought into linear or planar contact with at least one of the outer side surface and the lower surface of the step portion when the bottom surface of the upper cup muffler and the upper surface of the upper bearing portion are fixed to each other.


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