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:
Mar. 28, 2006
Filed:
Sep. 07, 2004
Masaaki Sato, Hiroshima, JP;
Satoshi Imamura, Hiroshima, JP;
Sakumi Haseto, Hiroshima, JP;
Kazuo Isayama, Hiroshima, JP;
Nobuhiko Tanaka, Hiroshima, JP;
Akihiro Noda, Hiroshima, JP;
Ichiro Hirose, Hiroshima, JP;
Masaaki Sato, Hiroshima, JP;
Satoshi Imamura, Hiroshima, JP;
Sakumi Haseto, Hiroshima, JP;
Kazuo Isayama, Hiroshima, JP;
Nobuhiko Tanaka, Hiroshima, JP;
Akihiro Noda, Hiroshima, JP;
Ichiro Hirose, Hiroshima, JP;
Mazda Motor Corporation, Hiroshima, JP;
Abstract
A first balancer shaft includes a shaft extension portion extending forward, to which a driven sprocket is attached. A case member includes a first bearing portion supporting the balancer shaft near its weight portions and rotational gear and a second bearing portion supporting the same near its driven sprocket. The case member includes an upper case coupled to a cylinder block and a lower case facing to the upper case, and there is provided a case extension portion extending forward at the upper case. The first bearing portion is configured of a hole formed by half-split portions of the both cases and the second bearing portion is configured of a hole formed integrally at the case extension portion.