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:
Apr. 23, 2019
Filed:
Aug. 07, 2015
Nok Corporation, Tokyo, JP;
Yusuke Kamiya, Fukushima, JP;
Hiroki Matsui, Fukushima, JP;
Shinya Omoto, Tottori, JP;
Toru Nakashima, Tottori, JP;
NOK CORPORATION, Tokyo, JP;
Abstract
A sealing structure allows for formation of a labyrinth structure between an oil seal and a torsional vibration damper even when the oil seal does not include a side lip. The oil sealincludes an oil lipprovided such as to be slidable on an outer circumferential surface of a tubular part, and a dust lipprovided further on an air side (A) than the oil lipand slidable on the outer circumferential surface of the tubular part. An annular memberis further provided, which is fixed to the outer circumferential surface of the tubular partfurther on the air side (A) than the dust lipand covering an outer circumferential surface of the dust lipsuch that there is a gap between the annular memberitself and the outer circumferential surface of the dust lip