GRAIN CRUSHER Russian patent published in 2015 - IPC B02C4/06 

FIELD: agriculture.

SUBSTANCE: crusher comprises a frame 1, a hopper 2 for feeding grain, a drive 3, a roll crushing device 4 with a housing 5, a compensation roller 30 located in a sidewall 9 opposite the roll 11 at the open side, behind the housing 5 a lever 33 with a rotary axis 34 is fixedly mounted. In the lever 33 a screw 35 is fixedly mounted with one end. The second end of the screw 35 is movably mounted in the second movable axis 36 mounted in brackets 37 fixedly mounted on the housing 5. On the screw 35, behind the second axis 36 an adjusting nut 38 is placed, which abuts the second axis 36 by a stop 39, and a clamping nut 40 through the stop 39 fixes the screw 35 on the second side.

EFFECT: improvement of the quality of crushing due to the more uniform gap between the roll and the sidewall on the entire length of their coupling.

4 dwg