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. 15, 1994
Filed:
Apr. 26, 1993
Applicant:
Inventors:
Daniel L Soots, East Moline, IL (US);
Klaus A Braunhardt, Bettendorf, IA (US);
Assignee:
Deere & Company, Moline, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01F / ;
U.S. Cl.
CPC ...
460 68 ; 460 70 ;
Abstract
The feeding section of an axial flow agricultural combine is provided with helical vanes. Each helical vane having an upstream end that is provided with a notch in which crop material is temporarily trapped. The notch is formed by tapering the upstream end of the helical vane which is welded to a transverse leading blade. The transverse leading blade is provided with a tapered leading edge to prevent crop material from hairpinning on the blade.