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. 09, 2017
Filed:
Mar. 21, 2016
Jtekt Corporation, Osaka-shi, Osaka, JP;
Atsushi Nagai, Kashiwara, JP;
Akiyuki Suzuki, Nagoya, JP;
JTEKT CORPORATION, Osaka-shi, JP;
Abstract
A tapered roller bearing includes an outer ring having an outer-ring raceway surface that increases in diameter from a first side toward a second side in an axial direction, an inner ring having an inner-ring raceway surface and also having a cone back face rib that is located on the second side of the inner ring in the axial direction and that protrudes outward in a radial direction, a plurality of tapered rollers, an annular cage, and a reservoir portion provided on the second side of the outer ring in the axial direction and having a recessed groove that is formed on an inner periphery of the reservoir portion and in which lubricant is stored. The recessed groove has a recess and protrusion at its bottom.