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. 24, 2015
Filed:
May. 10, 2013
Yamaha Hatsudoki Kabushiki Kaisha, Iwata, JP;
Makoto Kuroiwa, Shizuoka, JP;
Isamu Naruse, Shizuoka, JP;
Satoshi Miyazaki, Shizuoka, JP;
Hirokazu Kaneko, Shizuoka, JP;
Yamaha Hatsudoki Kabushiki Kaisha, Shizuoka, JP;
Abstract
A crankshaft includes a coupling portion, a first functional portion, and a second functional portion. The coupling portion is coupled to a connecting rod. The first functional portion is provided on an upper portion of the crankshaft protruding from a crankcase. The first functional portion drives a first functional component. The second functional portion is provided on a lower portion of the crankshaft protruding from the crankcase. The second functional portion drives a second functional component. The entire crankshaft has been processed by a first treatment to at least enhance the corrosion resistance thereof. At least a coupling portion of the crankshaft has been processed by a second treatment to at least enhance the strength thereof. Neither of the first functional portion and the second functional portion has been processed by the second treatment.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile