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:
Apr. 22, 2003
Filed:
Sep. 17, 2002
Applicant:
Inventor:
Akihiro Kiuchi, Fujisawa, JP;
Assignee:
NSK Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01N 2/904 ;
U.S. Cl.
CPC ...
G01N 2/904 ;
Abstract
There is disclosed a sliding rotation member which is rotatably supported by a support shaft in a toroidal continuously variable transmission, and slides on another member, wherein a maximum shear stress depth generated at a maximum deceleration time of the toroidal continuously variable transmission is defined as Z , a size of a defect obtained in accordance with a shape of the defect detected by a nondestructive inspection method is defined as a square root length, and then a defect of 0.05 mm or more in terms of the square root length is not included in a range of a depth from the surface which is twice the depth Z .