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.

Date of Patent:
Feb. 24, 2026

Filed:

Dec. 20, 2022
Applicant:

Sumitomo Rubber Industries, Ltd., Hyogo, JP;

Inventors:

Hiroshi Kikuchi, Kobe, JP;

Takuya Osawa, Kobe, JP;

Jo Shimizu, Kobe, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C 9/28 (2006.01); B60C 11/00 (2006.01); B60C 11/03 (2006.01);
U.S. Cl.
CPC ...
B60C 9/28 (2013.01); B60C 11/005 (2013.01); B60C 2011/0025 (2013.01); B60C 2011/0348 (2013.01); B60C 2011/0353 (2013.01); B60C 2011/0355 (2013.01);
Abstract

A tireincludes a treadand a beltincluding inner and outer layersand. Each end of the outer layeris located axially inward of an end of the inner layer. A circumferential narrow grooveis formed on each shoulder land portionso as to continuously extend in a circumferential direction. A groove width of the circumferential narrow grooveis smaller than that of a shoulder circumferential groove. The circumferential narrow grooveis located between the shoulder circumferential grooveand the end of the outer layerin an axial direction. A ratio of a distance in the axial direction from the shoulder circumferential grooveto the circumferential narrow grooveto a distance in the axial direction from the shoulder circumferential grooveto the end of the outer layeris 15% to 55%.


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