ROTARY RIPPER Russian patent published in 1994 - IPC

FIELD: loosening of frozen grounds and rocks. SUBSTANCE: rotary ripper has working members arranged in diametrical guides for motion and loosening teeth. Ripper body consists of two bulky frames in form of equilateral polygon and connected to each other. Pendulum bobs are installed on trunnions from frame end face sides. Installed on rear walls in direction of diametrical guides rotation are spring-lever discharge mechanisms. The latter are made in form of spring- loaded rocker and locking member. Installed in diametrical guides are two working members in each which are connected by flexible connection made in form of flat metal band. EFFECT: reduced power consumption in working of frozen and hard rocks. 5 cl, 5 dwg