COMBINE HARVESTER Russian patent published in 2017 - IPC A01D41/02 

FIELD: agriculture.

SUBSTANCE: combine harvester 1 includes an inclined chamber 2, a receiving device 6 and a threshing separating device 5. The receiving device 6 is located between the inclined chamber 2 and the threshing separating device 5 and consists of a lower ribbed drum 7 and placed above it two ribbed rolls 8 and 9 of smaller diameter. The rotation axes of rolls 8 and 9 are located on different sides of the vertical transverse plane passing through the axis of rotation of the lower ribbed drum 7. Two ribbed rolls 8 and 9 and a lower ribbed drum 7 provide effective destruction of the scaly structure of head through the alternating deformation of head.

EFFECT: increasing the effectiveness of subsequent threshing.

3 dwg