GRATING DEVICE Russian patent published in 2017 - IPC A01F11/04 

FIELD: agriculture.

SUBSTANCE: grating device comprises a housing 1, a cylindrical drum 4 with an external continuous grating surface 5, a deck 6 with a blind grating surface 7, a charging neck 2, and an unloading branch pipe 8. The cylindrical drum 4 has a horizontal rotation axis. The outer grating surface 5 of the drum 4 is made of steel bars 9 of hexagonal rolled steel, installed on the edge. The steel rods 9 on the side of the grating surface 5 are made with transverse grooves 11 of a variable width increasing to the outer diameter of the drum 4.

EFFECT: grating device ensures the high efficiency of seed grating at the high humidity of crushed clover heads.

1 dwg