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. 09, 2009
Filed:
Dec. 13, 2002
Kiyoto Maruoka, Kobe, JP;
Minoru Nishi, Kobe, JP;
Atsushi Yamahira, Kobe, JP;
Takahiro Kimishima, Kobe, JP;
Satoshi Tsuda, Kobe, JP;
Kiyoto Maruoka, Kobe, JP;
Minoru Nishi, Kobe, JP;
Atsushi Yamahira, Kobe, JP;
Takahiro Kimishima, Kobe, JP;
Satoshi Tsuda, Kobe, JP;
Sumitomo Rubber Industries, Ltd., Kobe-shi, JP;
Abstract
A heavy duty tire has a tread portionwhich is divided into five inner, intermediate and outer rib-like land portions R, R, R, Rand R. The inner rib-like land portion Ris virtudally divided into half regions Rand Ron each side of a tire equator. The intermediate rib-like land portions Rand Rare virtually divided into tire equator-side half regions Rand R, and into ground-contact edge-side half regions Rand R. In a regular ground-contact state in which a normal load is applied, when total sums of ground-contact load applied to the half regions R, R, R, Rand Rare defined as P, P, P, Pand P