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:
Mar. 04, 2014
Filed:
Sep. 13, 2012
Tsuyoshi Kamikawa, Nara, JP;
Tsuyoshi Kamikawa, Nara, JP;
JTEKT Coporation, Osaka-Shi, Osaka, JP;
Abstract
A method of manufacturing a bearing device for a wheel, the method including forming an inner shaft so that an outside diameter of the inner shaft at a first portion is smaller than an outside diameter of the inner shaft at a second portion which is adjacent to the first portion, the peripheral surface of the inner shaft at the first portion is to be heat-treated, and the peripheral surface of the inner shaft at the second portion is not to be heat-treated, and the first portion has a predetermined length in an axial direction, and heat-treating the peripheral surface of the inner shaft at the first portion, and finishing a peripheral surface of the inner shaft by lathe turning whereby a step is not formed at a border between the first portion and the second portion.