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:
Jun. 11, 2013
Filed:
Sep. 22, 2010
Toshiyuki Maeda, Kitaibaraki, JP;
Yoshiyuki Abe, Kitaibaraki, JP;
Toshiyuki Maeda, Kitaibaraki, JP;
Yoshiyuki Abe, Kitaibaraki, JP;
NOK Corporation, Tokyo, JP;
Abstract
A sealing device () having: a slide ring () and a back ring (). The sealing device () is configured to seal an annular gap between a housing having a shaft hole, and a shaft inserted through the shaft hole. The slide ring () has: a through-cut (), comprising a circumferential cut (A), and axial cuts (B) extending from both ends of the circumferential cut, along the axial direction; and multiple parting lines (A,B) formed on a surface of the slide ring (). The parting lines (A,B) are arranged so that the parting lines (A,B) are not overlapped with the circumferential cut (A) exposed at the junction surface of the slide ring () with the back ring (), throughout the lengthwise direction of the circumferential cut.