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.

Date of Patent:
Oct. 24, 2023

Filed:

Apr. 24, 2020
Applicant:

Nok Corporation, Tokyo, JP;

Inventor:

Masahiro Seki, Fukushima, JP;

Assignee:

NOK CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/80 (2006.01); F16C 19/18 (2006.01); F16C 33/78 (2006.01); F16J 15/3232 (2016.01);
U.S. Cl.
CPC ...
F16C 33/805 (2013.01); F16C 19/186 (2013.01); F16C 33/7879 (2013.01); F16J 15/3232 (2013.01); F16C 2326/02 (2013.01);
Abstract

A sealing device adapted to be disposed between an inner member and an outer member that rotate relative to each other includes a first sealing member including a cylindrical part adapted to be mounted to the outer member, and an annular part that extends radially inward from the cylindrical part; and a second sealing member including a sleeve adapted to be mounted to the inner member, and a flange. The first sealing member includes a lip that extends toward the flange of the second sealing member. An annular first clearance is provided between the flange and the cylindrical part of the first sealing member. The second sealing member includes a labyrinth lip extending from the flange radially outward and extending toward the atmosphere side more than the cylindrical part of the first sealing member, and a second clearance is provided between the labyrinth lip and the outer member.


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