Patent · US Expired

Removable concaves for axial flow combines

US6485364B1 · kind B1 · utility

42Cited by

8References

5Claims

0Family size

Assignee

New Holland North America, Inc. · US

Inventors

Jose Gryspeerdt · Nevele, BE
Eric Cromheecke · Bredene, BE
Barry E. Lehman · York, US
Eric P. J. Van Quekelberghe · Moerkerke, BE

Key dates

Filing date	Jun 11, 2001
Grant date	Nov 26, 2002
Priority date	—
Expiry date	Jun 11, 2021

Classification

Technology area (CPC A)Human Necessities
CPC primaryA01F12/442
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A combine harvester comprises a threshing and separating arrangement mounted to a main firm and including a generally cylindrical chamber having a generally longitudinal axis. Part of the chamber is constituted by a separating concave assembly comprising at least two separating concaves, the one located behind the other. The concaves are taken from a choice of less and more aggressive separating concaves. The chamber comprises mounting device operable to receive and hold each of the separating concaves. The front and/or the rear concaves can be removed and replaced.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.