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. 22, 2022
Filed:
May. 02, 2019
Applicant:
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Inventor:
Hirokazu Takano, Hyogo, JP;
Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C 11/03 (2006.01); B60C 11/11 (2006.01); B60C 11/12 (2006.01);
U.S. Cl.
CPC ...
B60C 11/0332 (2013.01); B60C 11/0316 (2013.01); B60C 11/1204 (2013.01); B60C 11/1281 (2013.01); B60C 2011/0346 (2013.01); B60C 2011/1209 (2013.01);
Abstract
A tire having a tread portion with: zigzag shoulder main grooves having a trapezoidal wave form comprising first and second circumferential segments and first and second oblique segments; and shoulder axial grooves extending from the shoulder main grooves beyond the tread edges. The shoulder axial grooves are respectively smoothly continued to the first oblique segments or the second oblique segments so as to form composite shoulder axial grooves whose groove widths are smoothly increased toward the axially outside of the tire.