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:
Sep. 07, 2004
Filed:
Dec. 19, 2002
Masakazu Niwa, Hiratsuka, JP;
Katsuyuki Kato, Hiratsuka, JP;
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Abstract
A pneumatic radial tire has a tire meridian cross-sectional configuration of a tread surface portion on at least one side of the tire center line which is arranged such that, when a position A is an intersection of the tire center line and the tread surface, and when a position B is an intersection of a straight line P drawn orthogonal to the tire axis from an edge of an innermost belt layer and the tread surface, an angle &agr; between a straight line X connecting the positions A and B and a straight line Y drawn perpendicular to the tire center line from the position A is set in a range of 8 to 10 degrees, when the pneumatic radial tire is attached to a standard rim specified in JATMA with its air pressure being 180 kPa and with no load applied thereto.