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:
Feb. 21, 1989
Filed:
Apr. 07, 1988
Bernhard Bauer, Hassfurt, DE;
Herbert Dobhan, Bergrheinfeld, DE;
SKF GmbH, , DE;
Abstract
A seal for bearing bushing with a sealing ring in a bore of the bearing bushing having a sealing surface which rests against a cylindrical surface of a machine part supported in the bearing bushing. An auxiliary seal is located between the open end of the bearing bushing and a shoulder of the machine part. The auxiliary seal has a ring-shaped collar extending in the axial direction, by which it is connected to the bearing bushing and at least one sealing lip bearing against the bearing bushing. The ring-shaped collar is pretensioned with radial pretension. The auxiliary seal has axially oriented projections located in a ring-shaped recess on the side facing the bearing bushing and each projection is situated over a portion of its length on a tongue of the ring-shaped collar.