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:
Aug. 28, 2007
Filed:
Aug. 12, 2003
Yuko Kamamura, Saitama, JP;
Hiroyuki Ikeda, Saitama, JP;
Hisashi Machida, Kanagawa, JP;
Hiroshi Terakubo, Kanagawa, JP;
Yuko Kamamura, Saitama, JP;
Hiroyuki Ikeda, Saitama, JP;
Hisashi Machida, Kanagawa, JP;
Hiroshi Terakubo, Kanagawa, JP;
NKS LTD., Tokyo, JP;
Abstract
A half toroidal CVT disk having an inner surface portion, an outer surface portion and a toroidal surface having a given machining allowance is centered with said inner surface portion worked prior to the heat treatment of said half toroidal CVT disk as the standard thereof, and then is chucked by a chuck mechanism. The toroidal surface of the chucked half toroidal CVT disk is ground by a grinding mechanism with the grinding wheel for grinding the half toroidal CVT disk in a state that one of said half toroidal CVT disk and said tool is inclined at a given angle with respect to the other.