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:
May. 20, 2025
Filed:
Mar. 01, 2021
Jtekt Corporation, Kariya, JP;
Koki Shiramizu, Yamatotakada, JP;
JTEKT CORPORATION, Kariya, JP;
Abstract
A wheel bearing device includes: an inner shaft including a wheel mounting flange on one side in an axial direction and including double row inner raceway surfaces on the other; an outer ring including double row outer raceway surfaces facing the inner surfaces; a plurality of first balls interposed between a first inner raceway surface located on the one side in the axial direction out of the double row inner raceway surfaces and a first outer raceway surface located on the one side in the axial direction out of the double row outer raceway surfaces; and a plurality of second balls interposed between a second inner raceway surface and a second outer raceway surface. The plurality of first balls and the plurality of second balls have the same diameter. A contact angle of the plurality of first balls is smaller than a contact angle of the plurality of second balls.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile