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:
Jan. 19, 1999
Filed:
Jul. 03, 1997
Koyo Seiko Co., Ltd., , JP;
Abstract
A sealing device for a bearing comprises a first bearing member having a peripheral shoulder portion, a second bearing member, and a seal member integrally connected to the second bearing member and having an inner peripheral portion and an inner peripheral seal lip extending from the inner peripheral portion. The inner peripheral seal lip has first projections extending in a first direction towards a surface of the peripheral shoulder portion of the first bearing member and second projections extending in a second direction opposite the first direction. One of the first projections is initially disposed in contact with the surface of the peripheral shoulder portion of the first bearing member. When the first projection of the inner peripheral seal lip which is initially in contact with the surface of the peripheral shoulder portion of the first bearing member undergoes a predetermined amount of wear, at least one of the other first projections of the inner peripheral seal lip comes in contact with the surface of the peripheral shoulder portion of the first bearing member to maintain an adequate seal therebetween.