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:
Nov. 27, 2007
Filed:
Dec. 23, 2003
Akitoshi Nakajima, Iwata, JP;
Satoshi Kikuchi, Iwata, JP;
Tsuyoshi Kubota, Iwata, JP;
Tsuneo Isobe, Iwata, JP;
Shinya Iwasaki, Iwata, JP;
Akitoshi Nakajima, Iwata, JP;
Satoshi Kikuchi, Iwata, JP;
Tsuyoshi Kubota, Iwata, JP;
Tsuneo Isobe, Iwata, JP;
Shinya Iwasaki, Iwata, JP;
Yamaha Hatsudoki Kabushiki Kaisha, Shizuoka, JP;
Abstract
A split type connecting rod has a simple structure that is capable of suppressing rotation of a metal bearing, and avoiding problems such as burning. The split type connecting rodholds a crank-pin through a metal bearingwhich has locking lugs. A bearing locking groovelocks at least one of the locking lugswhen the metal bearingrotates forward in the circumferential direction of a crank-pin hole. A bearing locking groovelocks at least one of the locking lugswhen the metal bearingrotates backward. The bearing locking groovesare deviated from each other in the circumferential direction.