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. 02, 2012
Filed:
Jan. 24, 2008
Takehiro Nakagawa, Fukushima, JP;
Hideharu Hyakutake, Fukushima, JP;
Takehiro Nakagawa, Fukushima, JP;
Hideharu Hyakutake, Fukushima, JP;
NOK Corporation, , JP;
Abstract
A sealing device in which oil (O) is supplied by ejection to a sealing device body (). In the sealing device, an increase in friction of a seal lip () caused by the pressure of the oil (O) is prevented, and effective lubrication by the oil (O) is promoted. The sealing device has the sealing device body () having the seal lip () slidably in intimate contact with the outer peripheral surface of a rotating shaft (), an oil ejection opening () for ejecting the oil (O) toward a position on the outer peripheral side of the seal lip () of the sealing device body (), and oil splashing means () for splashing the oil (O), ejected from the ejection opening (), back to a portion near a sliding portion (S) of the seal lip ().