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:
May. 02, 2017

Filed:

Jul. 25, 2013
Applicant:

Nok Corporation, Tokyo, JP;

Inventors:

Hiroki Matsui, Fukushima, JP;

Shiho Sato, Fukushima, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 15/00 (2006.01); F16J 15/3264 (2016.01); F16J 15/3204 (2016.01); F16J 15/447 (2006.01);
U.S. Cl.
CPC ...
F16J 15/002 (2013.01); F16J 15/3204 (2013.01); F16J 15/3264 (2013.01); F16J 15/447 (2013.01);
Abstract

The invention provides a sealing device constructed by combination of a slinger and a lip member, the sealing device being capable of improving a sealing performance, particularly a sealing performance against external dusts. In order to achieve the object, in a sealing device having a slinger which is installed to one member among relatively rotating two members, a lip member which is installed to the other member, and structured such that the slinger integrally has a tubular portion which is fitted to the one member and a flange portion which extends in a diametrical direction, and the lip member having an end face lip which slidably comes into close contact with the flange portion, a bent portion protruding in an axial direction toward the lip member is provided in the flange portion, and a labyrinth structure having a minute gap is provided between the bent portion and the lip member.


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