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:
Jun. 04, 2024
Filed:
Mar. 22, 2021
Sunstar Engineering Inc., Osaka, JP;
Yamaha Hatsudoki Kabushiki Kaisha, Shizuoka, JP;
Satoshi Kubota, Osaka, JP;
Yuya Okuda, Shizuoka, JP;
Sunstar Engineering Inc., Osaka, JP;
YAMAHA HATSUDOKI KABUSHIKI KAISHA, Shizuoka, JP;
Abstract
Provided is a strong and lightweight sprocket. A sprocket according to one aspect of the present invention comprises: attachment holesformed at equal intervals in the circumferential direction; a plurality of sprocket teethprovided to the outer periphery; first openingsformed into substantially triangular shapes of which two corners each face an attachment holeand the remaining corner is positioned toward the outer periphery; and second openingsthat are formed into substantially triangular shapes of which one corner faces an attachment holeand the remaining two corners are positioned toward the outer periphery, and that, with the first openings, demarcate first crossbarswith which driving force and load reaction force align and second crossbarswith which driving force and load reaction force conflict.