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. 04, 2006
Filed:
Sep. 24, 2004
Tetsu Takehara, Fujisawa, JP;
Kinji Yukawa, Fujisawa, JP;
Tetsu Takehara, Fujisawa, JP;
Kinji Yukawa, Fujisawa, JP;
NSK Ltd., Tokyo, JP;
Abstract
It is intended that the rotation resistance is decreased while the durability and seal performance are kept in the rolling bearing unit with seal ring. The most thin wall-thickness portionis provided in the vicinity of the base end of the seal lipprojecting laterally in sliding contact with the mating surface. The most thick wall thickness portionis provided adjacent to the most thin wall thickness portionon the tip end side. The thickness is gradually decreased from the most thick wall thickness portionto the tip end. Further, the ratios of thickness in the respective portionsare properly controlled.