DEVICE FOR REGRINDING AND AGRICULTURAL HARVESTING MACHINE Russian patent published in 2018 - IPC A01D43/08 

FIELD: machine building.

SUBSTANCE: group of inventions relates to agricultural machine building. Device for re-grinding already ground harvested crop comprises at least one first and one second rollers with parallel axes of rotation, the opposite outer surfaces of which define the grinding gap. Each of the first and second rollers comprises sections in the form of a truncated cone, comprising a supporting surface and an end surface, as well as external surfaces, extending at an angle to the axis of rotation of the corresponding roller. Support surfaces and end surfaces of sections, located on at least one first roller and on at least one second roller, have diameters alternately varying in the axial direction.

EFFECT: group of inventions improves the quality of preparation of harvested crop with high throughput.

13 cl, 4 dwg