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. 30, 2011
Filed:
Nov. 17, 2008
Eiji Tajima, Shizuoka-ken, JP;
Hiroyuki Ogura, Shizuoka-ken, JP;
Syougo Suzuki, Shizuoka-ken, JP;
Shigeaki Fukushima, Shizuoka-ken, JP;
Mitsuru Umekida, Shizuoka-ken, JP;
Akira Torii, Shizuoka-ken, JP;
Akira Sera, Shizuoka-ken, JP;
Hisashi Ohtsuki, Shizuoka-ken, JP;
Eiji Tajima, Shizuoka-ken, JP;
Hiroyuki Ogura, Shizuoka-ken, JP;
Syougo Suzuki, Shizuoka-ken, JP;
Shigeaki Fukushima, Shizuoka-ken, JP;
Mitsuru Umekida, Shizuoka-ken, JP;
Akira Torii, Shizuoka-ken, JP;
Akira Sera, Shizuoka-ken, JP;
Hisashi Ohtsuki, Shizuoka-ken, JP;
NTN Corporation, Osaka, JP;
Abstract
A wheel bearing device includes a hub ring, a double-row bearing and a constant velocity universal joint which are unitized together. At least one of double-row inner raceways of the bearing and a wheel mounting flange are formed on a hub ring. The hub ring and a stem portion of a joint outer ring of the constant velocity universal joint are fitted through a torque transmission assembly, wherein a pilot member as a separate element having a wheel guide portion and a brake guide portion is fitted to a side-end portion of the wheel mounting flange of the hub ring, and the hub ring and the pilot member are fixed to the joint outer ring by swaging.