THRESHING MILL OF COMBINE-HARVESTER Russian patent published in 2008 - IPC A01F12/18 A01F7/04 

FIELD: agriculture.

SUBSTANCE: threshing mill contains a beater drum, a concave, kinematically connected with each other beating and supplementary bladed rotors and a straw rack. Concave contains spaced with gaps transverse planks. Upper part of the last plank of the concave along its full length is made with cuts of a trapezium-shape, big base whereat is exposed to the beater drum. Supplementary bladed rotor is set under the beating rotor in between the concave and the straw rack, whereat blades of the supplementary rotor come into the space between the blades of the beating rotor. Joint action of the blades of the beating and supplementary rotors on the threshed mass contributes to separation of some part of grains and delivering of the threshed mass without any delay to the straw rack.

EFFECT: ensures stability of threshing process.

2 cl, 3 dwg