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. 22, 2013
Filed:
Dec. 14, 2007
Toshiyuki Maeda, Nihonmatsu, JP;
Yoshiyuki Abe, Nihonmatsu, JP;
Toshiyuki Maeda, Nihonmatsu, JP;
Yoshiyuki Abe, Nihonmatsu, JP;
NOK Corporation, Tokyo, JP;
Abstract
A sealing device is provided which is capable of reducing its sliding resistance. In a sealing devicewhich is fitted into an annular groove formed in one of a housing with a shaft hole and a shaft inserted into said shaft hole and serves to seal an annular gap between these two members, and which includes a seal ringmade of a resin that is in sliding contact with the other of the two members, and an elastic ringthat is fitted between the seal ringand the annular groove, the seal ring has a plurality of concave portionsformed on its sliding surfacewhich is in sliding contact with the other member.