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:
Mar. 13, 1984
Filed:
Oct. 13, 1981
Seymour A Hatch, Bensenville, IL (US);
James P Morley, Arlington Heights, IL (US);
CR Industries, Elgin, IL (US);
Abstract
A seal assembly for reception in a tapered counterbore which seal assembly includes a primary metal sealing ring with a seal band disposed on one end face thereof, and which further includes a frusto-conical or other tapered center portion and an opposite end portion which is contoured to receive and hold a secondary sealing ring, and a secondary sealing ring of annular configuration and having a generally central portion including, in its unstressed condition, a body with a cental body portion of generally circular cross section and including means lying outside the central body portion and adapted to engage the counterbore and/or the opposite end portion of the primary seal ring for positive location of the secondary seal ring during installation, with the counterbore or opposite end portion engaging means being positioned so as to move out of engagement with said tapered center portion and said counterbore respectively, so that said counterbore and tapered center portion, respectively, engage the round surface portions of said sealing rings central body portion when said primary and secondary sealings rings are in position of use within said counterbore and under a sealing load.