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. 01, 2020
Filed:
Aug. 30, 2017
Applicant:
Ntn Corporation, Osaka, JP;
Inventors:
Masanori Ueno, Mie, JP;
Kengo Suzuki, Mie, JP;
Assignee:
NTN CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/76 (2006.01); B61F 15/12 (2006.01); B61F 15/22 (2006.01); F16C 19/38 (2006.01); F16C 35/063 (2006.01);
U.S. Cl.
CPC ...
F16C 33/768 (2013.01); B61F 15/12 (2013.01); B61F 15/22 (2013.01); F16C 19/386 (2013.01); F16C 33/76 (2013.01); F16C 35/063 (2013.01); F16C 2326/10 (2013.01);
Abstract
A bearing device for an axle has: a first axial gap (G), which is defined between the inner ring () and the back cover () in an axial direction, and has the spacer () interposed therein; a second axial gap (G), which is larger than the first axial gap (G), and has the sealing member () interposed therein; and a third axial gap (G), which is defined on a radially outer side of the second axial gap (G), and is smaller than the second axial gap (G).