Patent ID: 7762877

Claim:
In a combine having a harvesting platform, a threshing section and a cleaning section, a re-threshing mechanism having a rotor, the improvement comprising: threshing elements mounted on said rotor; said elements extending at least partially away from a surface of said rotor that orbits an axis of rotation of said rotor; and a housing at least partially surrounding said rotor and having a wall portion with rasp bars extending toward said rotor, said wall portion being substantially solid to prevent any significant amount of grain from passing through said wall portion, said rotor and said housing configured for tailings to be re-threshed between said threshing elements and said rasp bars within said housing; at least a portion of the rasp bars of the wall portion are located above the horizontal plane intersecting the axis of rotation; a re-threshing flow path between the housing and the rotor and between an inlet and an outlet, the flow path between the inlet and outlet extends less than 360 degrees about the axis of the rotor.