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. 19, 2002
Filed:
Mar. 31, 2000
James A. Kammeraad, Holland, MI (US);
K-Line Industries, Inc., Holland, MI (US);
Abstract
A valve guide insert for lining and relining a valve guide bore in an internal combustion engine, where the internal combustion engine includes a valve with a valve stem, and the valve guide bore is configured to support the valve stem for reciprocal motion. The valve guide insert includes a thin-walled, cylindrically shaped, metallic tube made from reformable bearing material suitable for slidably supporting a valve stem in a combustion engine, wherein the tube has a temporary retainer section and a long section. The retainer section defined a first outer diameter, and the long section defines a second outer diameter that is less than the first outer diameter, whereby the tube is configured to be dropped into a valve guide bore having a bore diameter less than the first outer diameter but greater than the second outer diameter. The valve guide insert may have a wall thickness of 0.008 inches or less.