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. 08, 1997
Filed:
Jun. 01, 1995
Shuichi Ishikawa, Kanagawa, JP;
NSK Ltd., Tokyo, JP;
Abstract
In a sealed thrust bearing providing a case which is formed of a corrosion resisting material and fixedly fitted to an outer race, an outer seal ring which is fixedly fitted to the outer peripheral edge of an inner race, and an inner seal ring which is fixedly fitted to an inner flange, the outer peripheral edge of a first outer seal lip forming the outer seal ring is slidingly contacted with the inner peripheral surface of the outer cylindrical portion of the case. The end edge of a first inner seal lip forming the inner seal ring is slidingly contacted with the flat portion of the case. In the inner peripheral edge of the flat portion, an inner cylindrical portion is so formed as to cover the sliding contact portion between the end edge of the first inner seal lip. The sealed thrust bearing can prevent the sliding contact portions thereof from being worn greatly even if rain, mud or the like splash on them.