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:
Feb. 27, 2007
Filed:
Mar. 16, 2005
Yuko Kamamura, Kanagawa, JP;
Atsushi Kario, Kanagawa, JP;
Shigeo Kudou, Kanagawa, JP;
Wataru Watanabe, Kanagawa, JP;
Suguru Sakakibara, Kanagawa, JP;
Yuko Kamamura, Kanagawa, JP;
Atsushi Kario, Kanagawa, JP;
Shigeo Kudou, Kanagawa, JP;
Wataru Watanabe, Kanagawa, JP;
Suguru Sakakibara, Kanagawa, JP;
NSK Ltd., Tokyo, JP;
Abstract
A machining apparatusof an end face of a roller includes a rotatable inner disk, a cagehaving a pocket portionfor holding a plurality of rollersat predetermined intervals in a peripheral direction at an outer diameter portion of the inner diskand rotatable independently from the inner disk, and a drive belthung over outer diameter portions of the plurality of rollersheld by the inner diskand the cage, and by rotating the inner disk, the cageand the drive beltin predetermined directions, the rolleris revolved while being rotated and the end face of the roller is crowned by an elastic cup grinding wheel