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:
Jun. 27, 2017
Filed:
Dec. 11, 2013
Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;
Hiroki Takahashi, Kobe, JP;
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, JP;
Abstract
A pneumatic tire includes a tread portion provided with three to five circumferentially extending main grooves and a plurality of lateral grooves, to form a plurality of block rows each of which includes a plurality of tread blocks. Each tread block includes a ground contact surface with a polygonal shape that has at least five sides and each interior angle of not less than 90 degrees. Each ground contact surface of the tread block includes a maximum axial width Wpositioned between its circumferentially both ends, a circumferential length Lbetween its circumferentially both ends, and a ratio W/Lof the maximum axial width Wto the circumferential length Lin a range of from 0.6 to 0.9.