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. 28, 2017
Filed:
Jun. 03, 2013
Applicant:
The Yokohama Rubber Co., Ltd., Minato-ku, Tokyo, JP;
Inventor:
Masaaki Nagayasu, Hiratsuka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C 11/12 (2006.01); B60C 11/11 (2006.01); B60C 5/00 (2006.01); B60C 11/03 (2006.01);
U.S. Cl.
CPC ...
B60C 11/1204 (2013.01); B60C 5/00 (2013.01); B60C 11/1218 (2013.01); B60C 11/1236 (2013.01); B60C 11/1263 (2013.01); B60C 11/0306 (2013.01); B60C 11/11 (2013.01); B60C 2011/1209 (2013.01); B60C 2011/1213 (2013.01);
Abstract
A pneumatic tire includes blocks arranged in the tread center region that is X % (30≦X≦70) of the tread contact width TW with the tire equator C as center are formed elongated in the tire circumferential direction so that the block ratio is not less than 1.5. At least one end in the longitudinal direction of the sipes provided in the blocks connects to a longitudinal groove. A protrusion and a recess that can engage with each other are provided on the sipe wall surfaces that face each other constituting the sipes, at the end portion in the longitudinal direction of the sipes that connect with the longitudinal groove.