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:
Oct. 18, 2011
Filed:
Jan. 23, 2009
Ryoji Hanada, Kanagawa, JP;
Hideki Seto, Kanagawa, JP;
Ryoji Hanada, Kanagawa, JP;
Hideki Seto, Kanagawa, JP;
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Abstract
A method for measuring deformation of a tire tread is provided. The method uses a tire tread deformation producing systemincluding a flat, transparent base platehaving first and second opposite surfacesand. The method also uses a vision systemincluding a pair of CCD cameras-and-, which are positioned on the side of the second surface of the base plate. A test tirehas a tire tread having tread grooves. A portion of the tire tread of the test tire is urged against the first surface of the base plate. The three-dimensional shape of a groove wall surface of a tread groove of the test tire is measured by imaging the tread groove across the base plate by the CCD cameras while the test tire is subject to deformation.