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:
Jul. 16, 2013
Filed:
Mar. 16, 2011
Daniel Cormier, Winnipeg, CA;
Francois R. Talbot, Winnipeg, CA;
Keith A. Johnson, Kewaskum, WI (US);
Neal J. Stoffel, Campbellsport, WI (US);
Daniel Cormier, Winnipeg, CA;
Francois R. Talbot, Winnipeg, CA;
Keith A. Johnson, Kewaskum, WI (US);
Neal J. Stoffel, Campbellsport, WI (US);
MacDon Industries Ltd, Wpg, MB, CA;
Abstract
A crop harvesting header with a cutter bar and a draper assembly has a draper canvas driven by a drive roller with a cylindrical roller body having an outer surface surrounding an axis of rotation of the roller for engaging an inner drive surface of a canvas wrapped therearound. The roller has a plurality of ribs arranged on the outer surface of the roller body extending along a part of the body in an axial direction and angularly spaced around the outer surface. The ribs have a height less than 6 mm and a width less than 6 mm arranged such that the ribs do not engage into any recesses in the drive surface of the canvas.