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:
May. 23, 2023
Filed:
Mar. 24, 2022
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Koichi Nakajima, Kobe, JP;
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Abstract
A tireincludes a tread portionprovided with a block. A block corner portionof the blockhas a stepped chamfered portionformed therein in which a block height decreases stepwise from a tread surfacetoward a top portion. The stepped chamfered portionincludes upper surfacesparallel to the tread surface, and step corner portionseach formed so as to protrude toward a block outer side as a result of the upper surfaceand a vertical surfaceor the vertical surfaceand the tread surfaceintersecting each other. An angle θbetween the tread surfaceand a virtual straight line nconnecting the step corner portionsin a vertical cross-sectional view, of the block corner portion, passing through the top portionis 10 to 40 degrees.