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. 21, 2006
Filed:
Aug. 12, 2002
Hidehiko Hino, Kobe, JP;
Hidehiko Hino, Kobe, JP;
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Abstract
A winter tire containing a central vertical groove which extends along a tire equator C, and rib portionsandhaving sipes S are formed on the opposite sides of the central vertical groove. At a groove edge lineE of the central vertical groove, reference pitches P each comprises a main portion extending from an outermost origin Nin a tire axial direction to a terminal end Nclosest to the tire equator, and an auxiliary portionhaving a length in the tire circumferential direction smaller than that of the main portionand passes through said origin Nfrom said terminal end N, and the reference pitches P are repeated in the tire circumferential direction into a zigzag configuration. A tire circumferential direction length of the main portion is 60% or more of a tire circumferential direction length of the reference pitch P.