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:
Oct. 06, 2020
Filed:
Nov. 24, 2017
Applicant:
Nok Corporation, Tokyo, JP;
Inventors:
Yuichi Shuto, Fukushima, JP;
Kei Sasaki, Fukushima, JP;
Shohei Yamane, Fukushima, JP;
Yuichi Tarukawa, Fukushima, JP;
Takuya Kato, Fukushima, JP;
Assignee:
NOK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/78 (2006.01); F16C 19/18 (2006.01); F16C 33/80 (2006.01); F16J 15/3232 (2016.01); F16C 33/58 (2006.01); F16C 33/66 (2006.01);
U.S. Cl.
CPC ...
F16C 33/7823 (2013.01); F16C 19/18 (2013.01); F16C 33/58 (2013.01); F16C 33/66 (2013.01); F16C 33/78 (2013.01); F16C 33/80 (2013.01); F16J 15/3232 (2013.01); F16C 2326/02 (2013.01);
Abstract
There are provided a sealing device and a hub bearing that can reduce torque. Pear-skin-like projections and depressions are provided on each of a sliding surface in a lip for foreign object (a side lipand a middle lip) and a sliding surface in a lip for grease. Roughness of the pear-skin-like projections and depressions provided on the sliding surface of the lip for greaseis larger than roughness of the pear-skin-like projections and depressions provided on the sliding surface of the lip for foreign object.