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. 12, 2016
Filed:
Sep. 13, 2013
Hiroshi Matsunaga, Shizuoka, JP;
Masahiro Tosaji, Shizuoka, JP;
Hiroshi Matsunaga, Shizuoka, JP;
Masahiro Tosaji, Shizuoka, JP;
NTN CORPORATION, Osaka, JP;
Abstract
A bearing device for a wheel includes an outer member having double-row outer raceway surfaces formed on an inner circumference thereof, an inner member including a hub wheel having a wheel mounting flange formed thereon and at least one inner race fitted to a small-diameter step portion formed on an outer circumference of the hub wheel, the inner member having double-row inner raceway surfaces formed thereon so as to be opposed to the double-row outer raceway surfaces, and a plurality of rolling elements in spaces between the double-row inner and outer raceway surfaces. The at least one inner race being fixed in an axial direction thereof by a staked portion, the staked portion having a face spline formed on an end surface thereof by plastic working.