STRAWWALKER Russian patent published in 2006 - IPC A01F12/30 A01F12/38 

FIELD: agricultural engineering, in particular, equipment used in combines for separating grain from coarse straw-like heap.

SUBSTANCE: strawwalker has casing and separating grids of different effective sections fixed on casing. Separating grids of greater effective section are alternatively positioned behind separating grids of smaller effective section. Length of separating grid with greater effective section constitutes 0.7-1.0 the length of separating grid with smaller effective section. Separating grid of larger effective section may be positioned behind set of separating grids of smaller effective section.

EFFECT: improved separation of grain from coarse straw-like heap.

2 cl, 1 dwg