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:
Nov. 17, 1981
Filed:
Sep. 08, 1980
Jerry G Jelinek, La Habra, CA (US);
Parker-Hannifin Corporation, Cleveland, OH (US);
Abstract
A sealing device that is self-centering on a cylindrical part about which it is to be disposed is disclosed. The device is comprised of a metal plate and an elastomeric sealing member that is bonded to an aperture provided in the plate. The sealing member has an annular sealing portion with a radially inwardly extending spacer portion of reduced axial thickness and having an inner diameter slightly smaller than the diameter of the cylindrical part about which the sealing device is to be disposed. The elastomeric material is readily deformable and therefore the spacer portion of the sealing member will not mar or scratch the cylindrical part when mounted thereon. The spacer portion is sufficiently thick so that when the cylindrical part is inserted through the spacer portion and deforms the same to a larger inner diameter, the spacer portion will grip the cylindrical part and be sufficiently rigid so as to center the sealing portion radially about the part. In addition, the gripping force of the spacer portion on the cylindrical part is such that the sealing device can be manually rotated to a desired angular position relative to the part and will maintain the position when the part and sealing device are assembled to another part.