RIPPER Russian patent published in 1997 - IPC

FIELD: agricultural engineering. SUBSTANCE: ripper has base machine, frame secured on base machine, beam in which post with hinge-connected tooth is mounted, upper and lower tie-rods forming articulated parallelogram together with frame and beam, working implement lifting and lowering hydraulic cylinder and ripping angle adjustment hydraulic cylinder Bell crank is mounted on ripper. Bell crank is connected with upper tie-rod. One arm of bell crank is hinge-connected with movable link of ripping angle adjustment hydraulic cylinder. Ripper has also upper and lower single-action hydraulic cylinders. Housing of upper hydraulic cylinder is hinge-connected with beam, and rod, with other arm of bell crank. Housing of lower hydraulic cylinder is hinge-connected with beam, and rod, with ripper tooth. Piston spaces of upper and lower hydraulic cylinders are placed in communication with each other. Return sprig is installed in housing space of lower hydraulic cylinder. EFFECT: enlarged operating capabilities. 1 dwg