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:
Nov. 16, 2021
Filed:
Nov. 21, 2019
Applicant:
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Inventor:
Yutaka Ichiryu, Kobe, JP;
Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C 11/13 (2006.01);
U.S. Cl.
CPC ...
B60C 11/13 (2013.01); B60C 2200/10 (2013.01);
Abstract
A pneumatic radial tyre includes a plurality of shoulder lateral grooves crossing shoulder lard regions. In a cross-sectional view of at least one of the shoulder lateral grooves taken along a groove width center line thereof, a groove bottom of the shoulder lateral groove includes a first bottom surface portion arranged on an inner side in a tyre axial direction and a second bottom surface portion extending between the first bottom surface portion and the tread surface outer end in a concave arc shape having a radius of curvature.