Patent ID: 9629310
Date: 2017-04-25
CPC Classifications: A01F

Claim:
1. A combine harvester comprising an axial separating apparatus having at least one rotor mounted for rotation in a rotor cage and arranged to convey crop material in a spiral path from a front end to a rear end, the rotor cage including a grate for allowing separated grain to fall there through under gravity, a first return conveyor disposed under a front portion of the separating apparatus and arranged to catch a portion of said separated grain and convey the caught grain forwardly to a first front edge of said first return conveyor from where the grain falls under gravity onto a first region of an underlying grain pan, a second return conveyor disposed under a rear portion of the separating apparatus and arranged to catch a portion of said separated grain and convey the caught grain forwardly to a second front edge of said second return conveyor from where the grain falls under gravity onto said grain pan at a distance located behind the first region, the grain pan serving to convey the collected grain in a rearward direction to a cleaning unit.