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. 06, 2024
Filed:
Apr. 20, 2021
Ntn Corporation, Osaka, JP;
Tomoki Matsushita, Shizuoka, JP;
NTN Corporation, Osaka, JP;
Abstract
The present invention provides a bearing device for vehicle wheel reducing the occurrence of abnormal heat generation caused by metal contact and enhancing anti-seizing properties. Each of the tapered rollershas a large diameter-side end surface, the inner raceway surface, and the large flange part. The large flange partincludes a chamfered partand a rounded part. The large flange parthas a large flange part-side cutout part, the large diameter-side end surfaceof each of the tapered rollershas a tapered roller-side cutout parthaving a circular shape formed coaxially with the large diameter-side end surface, and a clearance of the large diameter-side end surfaceas viewed from a contact point between the large diameter-side end surfaceand the guide surfaceis greater than or equal to 15 μm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile