COMBINED SCRAPER BUCKET KNIFE SYSTEM Russian patent published in 2019 - IPC E02F3/64 

FIELD: machine building.

SUBSTANCE: invention relates to earthmoving engineering, namely to the operating elements of earth-moving scraper units. Combined scraper bucket knife system is presented, which includes a stepped blade bucket knife system and a shovel cutting unit mounted on the front bucket flap and having a drive, characterized by the fact that on the sides of the cutting body of the soviet body are installed rotary plates with cheeks, the axis of rotation of which is aligned with the axis of rotation of the front flap.

EFFECT: technical result consists in eliminating the loss of soil from the bucket when developing under the conditions of the least energy-intensive free cutting.

1 cl, 8 dwg