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:
Aug. 21, 1984
Filed:
Jun. 01, 1983
Joseph Antonini, Chicago, IL (US);
Frank W Zawodni, Ft. Wayne, IN (US);
Dana Corporation, Toledo, OH (US);
Abstract
A steering ball seal includes a rigid annular outer case having a radially extending elastomeric sealing member bonded thereto. The sealing member includes a pair of sealing lips which extend radially inwardly of the case. The sealing member further includes an integral annular protective assembly tab which extends axially thereof and which contains a radially protruding retention ridge. The sealing member also includes an integral retention bead radially outwardly of the ridge. The lip and bead cooperate to provide for resilient insertion and removal of an inner case which is retained against the radial body of the sealing member to provide rigidity of the member during operation of the seal. In a preferred form, the inner case is of resilient polyethelene material, and includes a split body construction to facilitate its installation over the steering ball. During assembly of the seal over the steering ball, only the protective assembly tab makes contact with the spherical portion of the steering ball assembly, as the pair of sealing lips are elastically deflected out of contact therewith by the protective assembly tab.