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. 05, 2001
Filed:
Jan. 08, 1999
Yuji Shimomura, Kanagawa, JP;
Toshiharu Takamura, Kanagawa, JP;
Hidenobu Magami, Kanagawa, JP;
Tomoyuki Aizawa, Kanagawa, JP;
Sadayuki Tanaka, Kanagawa, JP;
NSK Ltd., Tokyo, JP;
Abstract
A sealing device for a roll bearing which includes an outer ring, an inner ring, a rolling element rotatably interposed between the outer and inner rings, and a retainer, comprises a seal holder having a seal holder portion and a seal body attached to the seal holder portion. A portion of the retainer is received in a sealing space defined by the seal holder portion while the portion of the retainer is being disposed outside a range of interference with the seal holder portion. The sealing device further comprises conical surfaces,and,which are provided as fitting surfaces of a seal holder portion,and a seal body,fit to the seal holder portion,. Accordingly, a space,into which one end of a retainer of the bearing is receivable can be formed, and the inside diameter d of the seal holder portion,can be reduced.