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:
Jan. 21, 2020
Filed:
Oct. 23, 2015
Applicant:
Jtekt Corporation, Osaka-shi, Osaka, JP;
Inventors:
Assignee:
JTEKT CORPORATION, Osaka-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/46 (2006.01); F16C 19/36 (2006.01); F16C 33/66 (2006.01);
U.S. Cl.
CPC ...
F16C 33/4676 (2013.01); F16C 19/364 (2013.01); F16C 33/46 (2013.01); F16C 33/4605 (2013.01); F16C 33/4635 (2013.01); F16C 33/664 (2013.01); F16C 33/6674 (2013.01); F16C 33/6681 (2013.01); F16C 2300/02 (2013.01);
Abstract
A taper roller bearing includes: an inner ring, an outer ring, a plurality of taper rollers, and an annular cage. The cage includes a small-diameter annular portion on one axial side, a large-diameter annular portion on the other axial side, and a plurality of column portions. A radial inner surface of the column portion is provided along a second virtual taper surface that is in the vicinity of a first virtual taper surface including a center line of the plurality of taper rollers, across the entire length in the longitudinal direction of the column portion.