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:
Jun. 07, 2021
Filed:
Jan. 21, 2019
Applicant:
Nsk Ltd., Tokyo, JP;
Inventors:
Assignee:
NSK LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/36 (2005.12); F16C 23/08 (2005.12); F16C 19/22 (2005.12); F16C 33/34 (2005.12); F16C 33/58 (2005.12); F16C 19/26 (2005.12); F16C 19/36 (2005.12);
U.S. Cl.
CPC ...
F16C 23/088 (2012.12); F16C 19/225 (2012.12); F16C 33/34 (2012.12); F16C 33/585 (2012.12); F16C 19/26 (2012.12); F16C 19/364 (2012.12); F16C 33/366 (2012.12); F16C 2300/02 (2012.12);
Abstract
The contact portion of the end face of a conical roller, which is a portion to be slidingly contacted with a collar portion, is ground such that the outer contour line of the section thereof has a continuously curved line which passes through at least not only the first point but also between the third position and fourth position.