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:
Mar. 09, 2021
Filed:
May. 10, 2018
Applicant:
Ntn Corporation, Osaka, JP;
Inventors:
Assignee:
NTN CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/78 (2006.01); F16J 15/3232 (2016.01);
U.S. Cl.
CPC ...
F16C 33/78 (2013.01); F16J 15/3232 (2013.01);
Abstract
A bearing seal () includes an elastically deformable waist portion (), a first lip () protruding axially inside direction, and a second lip () protruding axially outside. In a free situation without the fastening allowance C, a center of gravity F of a portion that includes the waist portion, the first lip, and the second lip is present in an axial inside with respect to a rotation center X of the portion, and an axial distance A from the rotation center X to the center of gravity F is included in a range of more than 0 and less than the fastening allowance C.