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:
Oct. 27, 2015

Filed:

Apr. 02, 2012
Applicants:

Yoshihiro Akiyama, Saitama, JP;

Shinichi Musha, Tokyo, JP;

Inventors:

Yoshihiro Akiyama, Saitama, JP;

Shinichi Musha, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02F 1/00 (2006.01); F02F 11/00 (2006.01); F16J 15/02 (2006.01); F16J 15/06 (2006.01); H01T 13/08 (2006.01); F02F 7/00 (2006.01);
U.S. Cl.
CPC ...
F02F 11/002 (2013.01); F16J 15/025 (2013.01); F16J 15/062 (2013.01); H01T 13/08 (2013.01); F02F 7/006 (2013.01);
Abstract

A seal member () is disposed between a cylinder head cover () in which an ignition plug mounting hole () is formed and a plug tube () which is inserted in the ignition plug mounting hole (). The seal member () is provided with: a base section () configured to be elastically deformable and inserted into the ignition plug mounting hole (); a protrusion section () formed so as to protrude outward in the radial direction from the outer peripheral surface of the base section () and engaging with a groove () formed in the inner peripheral surface of the ignition plug mounting hole (); a seal lip section () in elastic contact with the outer peripheral surface of the plug tube (); and a grip section () formed between the base section () and the seal lip section () and protruding downward from the ignition plug mounting hole ().


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