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:
Apr. 18, 1989
Filed:
Oct. 02, 1987
James A Kammeraad, Holland, MI (US);
K-Line Industries, Inc., Holland, MI (US);
Abstract
A retainer for retaining a resilient annular oil seal element, surrounding the valve stem, to the valve guide in an internal combustion engine. The retainer includes an anchor sleeve made from a polymeric material such as nylon, Teflon or the like, first retention means for retaining the sleeve to an outer surface of a valve guide, a tubular shell surrounding the seal element, second retention means for retaining the seal element within the tubular sheet and retention means for retaining the shell to the anchor sleeve. Preferably the first retention means comprises preselecting the diameter of an inner surface of the anchor sleeve for interference fit with the valve guide outer surface.