Title: Helical element rotor-axial flow combine

Abstract: A general purpose rasp bar carrying rotor construction for an axial flow-type harvester combine embodying a vaned impeller and a series of bars which cooperate with elements within the surrounding rotor casing for crop threshing and grain separation purposes in a novel and efficient manner. The rotor proper is generally of imperforate tubular cylindrical construction so that the crop material in its entirety is confined to the annulus which exists between the rotor and its casing. The threshing portion of the rotor having both helical and longitudinal extending rasp bars.

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Inventors: Stamp, Tom G. (Davenport, IA, US)
Dunn, Neil C. (Moline, IL, US)

Application Number: 608603
Filing Date: 1975-08-28
Publication_date: 1976-09-28
Assignee: International Harvester Company (Chicago, IL)
Primary Class(es): 460/68 56/14.6, 460/70, 460/71
Other Classes:
US Patent Ref:

2053148	Sep, 1936	James	130/27.
3256887	Jun, 1966	Ausherman	130/27.
3828793	Aug, 1974	Gochanour	130/27.
3871384	Mar, 1975	Depauw et al.	130/27.
3927678	Dec, 1975	Rowland et al.	130/27.

Other Refs:
Primary Examiner: Kinsey, Russell R.
Assistant Examiner:
Attorney: AuBuchon; F. David, Harman; Floyd B.