INSTALLATION FOR PREPARING FORAGE Russian patent published in 2009 - IPC A23N17/00 

FIELD: agriculture.

SUBSTANCE: invention refers to agriculture industry. The installation consists of a bed, of an assembled on the bed toroidal working chamber composed of sections made out of strips bent into one side along direct lines and of alternated different by dimensions equilateral and isosceles triangles arranged at angles to edges of the strips; also two similar isosceles triangles with their bases are situated on both sides of the biggest equilateral triangle; on sides of isosceles triangles there are located two similar equilateral triangles, two similar isosceles triangles are arranged with their bases to above said equilateral triangles, the equilateral triangle is placed on one of the isosceles triangles; in addition, sides of smaller equilateral triangles differ from sides of bigger equilateral triangles by the same linear value; while the sections are connected to each other with free ends of the said triangles forming the toroidal working chamber of broken screw lines and screw surfaces along external and internal surfaces.

EFFECT: invention facilitates decreasing dimensions of installation and extending is functionality.

9 dwg