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. 10, 1979
Filed:
Nov. 21, 1977
Applicant:
Inventors:
Richard E McMillen, Geneseo, IL (US);
Robert L Francis, East Moline, IL (US);
Richard A DePauw, East Moline, IL (US);
Assignee:
International Harvester Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01F / ;
U.S. Cl.
CPC ...
130 / ;
Abstract
An apparatus for accepting unthrashed material that is being fed axially into the cylinder of an axially flow combine. The apparatus includes a three bladed impeller that when rotated generates a frustum of a cone with the larger end of the cone frustum being generated by the leading edges of the impeller blades. The leading edge of each impeller blade being swept back such that the outermost portion of the leading edge of the impeller blade trails a line radiating from the point on the rotor axis where the impeller blade originates from.