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:
Oct. 18, 2011
Filed:
Nov. 30, 2009
Applicant:
Nobukatsu Uchiyama, Iwata, JP;
Inventor:
Nobukatsu Uchiyama, Iwata, JP;
Assignee:
NTN Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 19/38 (2006.01); F16D 3/223 (2011.01);
U.S. Cl.
CPC ...
Abstract
A vehicle wheel bearing apparatus has an outer member, an inner member double row rolling elements, and a constant velocity universal joint. A wheel hub of the inner member and an outer joint member of the constant velocity universal joint are axially separably connected. The outer joint member shoulder portion abuts against a caulked portion of the wheel hub. A cap is interposed between the caulked portion and the shoulder portion. The cap is press-formed from a steel plate and has a surface roughness of 0.63 Ra or less.