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. 14, 2025
Filed:
Feb. 24, 2023
Applicant:
Nok Corporation, Tokyo, JP;
Inventor:
Yuya Sakano, Fukushima, JP;
Assignee:
NOK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/78 (2006.01); F16J 15/3232 (2016.01);
U.S. Cl.
CPC ...
F16C 33/7823 (2013.01); F16C 33/7883 (2013.01); F16J 15/3232 (2013.01);
Abstract
A sealing device and a sealing structure with which an improvement is achieved in terms of suppressing the infiltration of foreign matter such as muddy water. An elastic seal includes a main lip, a side lip, and an intermediate lip, and a second annular recess formed along an outer peripheral surface of the side lip is recessed in a central axis direction of an inner ring and toward a sealing target space side by a greater depth than a first annular recess formed between the side lip and the intermediate lip.