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:
Dec. 12, 2023
Filed:
Jun. 05, 2020
Ntn Corporation, Osaka, JP;
Takanori Ishikawa, Shizuoka, JP;
Yasuhito Fujikake, Shizuoka, JP;
NTN CORPORATION, Osaka, JP;
Abstract
In a tapered roller bearing, a large-diameter-side annular portion includes large-diameter-side pocket surfaces opposed to large end surfaces of respective tapered rollers; and oil retaining recesses each having an opening spanning an inner peripheral surface of the large-diameter-side annular portion and each of the large-diameter-side pocket surfaces. Each of the oil retaining recesses has an inner surface having a radially inwardly facing surface portion which is an inclined surface that is radially inwardly inclined toward the corresponding tapered roller.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile