CULTIVATOR-DRILL COLTER

摘要

FIELD: agricultural engineering; cultivator drill tools. SUBSTANCE: colter has main and additional arms. Main arm is made of two sides with displaced blades on front portion. Mating surfaces of main arm sides have slots forming through hole accommodating drill tube. Point bar is arranged in lower portion of main arm. Bar in made in form of elliptical cone with rounded off top whose base in place of blending into arm has concave curvilinear surfaces. Drill tube lower cut is arranged higher than point bar nose. Additional arm is installed in line with main arm. Additional arm has two sides also. Rigid curvilinear carrier is secured on front portion of additional arm. Rear end of carrier is installed at level of rounded off end of front arm point bar. Sides of additional arm form convex cone-shaped open bell with its curvature pointed upwards. Ends of larger neck of bell are provided with working blades. EFFECT: enlarged operating capabilities. 1 dwg