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:
Sep. 02, 2008
Filed:
Jul. 13, 2007
Bernard F. Enright, Brookfield, WI (US);
William K. Davis, York, SC (US);
Thomas A. Lanser, Hartland, WI (US);
William Lackas, Campbellsport, WI (US);
Jon Janke, Cedarburg, WI (US);
Jennifer M. Sampson, Pewaukee, WI (US);
Tomas Smetana, Erlangen, DE;
Bernard F. Enright, Brookfield, WI (US);
William K. Davis, York, SC (US);
Thomas A. Lanser, Hartland, WI (US);
William Lackas, Campbellsport, WI (US);
Jon Janke, Cedarburg, WI (US);
Jennifer M. Sampson, Pewaukee, WI (US);
Tomas Smetana, Erlangen, DE;
Harley-Davidson Motor Company Group, Inc., Milwaukee, WI (US);
Abstract
The invention provides a motorcycle having a frame, an engine coupled to the frame, and a crankshaft assembly. The crankshaft assembly includes a first flywheel half having an aperture, a crank pin including a first end portion, a second end portion opposite the first end portion, and a bearing surface between the first and second end portions. The first end portion is press-fit into the aperture of the first flywheel half. The first end portion, the second end portion, and the bearing surface are coated with a friction enhancer. A bearing is positioned at least partially onto the bearing surface, and a connecting rod has an aperture that at least partially receives the bearing.