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:
Sep. 02, 2008
Filed:
Dec. 23, 2003
Applicants:
Tsuyoshi Kubota, Iwata, JP;
Tsuneo Isobe, Iwata, JP;
Shinya Iwasaki, Iwata, JP;
Inventors:
Assignee:
Yamaha Hatsudoki Kabushiki Kaisha, Shizuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A split type connecting rod is capable of preventing problems of peeling and falling at the time of fracturing and splitting, securing alignment accuracy after the fracturing, reducing a processing time necessary for processing the groove and improving the processing accuracy. This split type connecting rodincludes a valleyformed on the inner circumferential surface of a crank-pin holeof a large end portion. Fracture starting point groovesare also formed at the base of the valley