BULLDOZER RIPPER CROWN Russian patent published in 1997 - IPC

FIELD: mining; applicable in mining machines for ripping dense muck. SUBSTANCE: bulldozer ripper crown includes wedge-shaped shank with slot for attachment and wedge-shaped working part which is formed by front wavy surface, two side surfaces and rear wavy surface with shaped recess located on it along longitudinal axes of crown. Rear wavy surface of working part is convex-concave and convex-concave curve lying in crown longitudinal section on crown rear surface is formed by conjugation or areas of, at least, two circles of different radii, with arc of circle of maximum radius adjacent to crown shank. The arcs of circles followed by have reducing radii. EFFECT: higher efficiency. 3 cl, 2 dwg