SCRAPER BOWL Russian patent published in 1995 - IPC

FIELD: earth-moving machinery. SUBSTANCE: device has side walls connected with front end face wall. Connected to end face wall by hinge joints is front part of bottom with side wings, underbottom vibrators and support rolls. Rear part of bottom is hinge-suspended from side walls and can be turned, together with rear wall and longitudinal augers, inside the bowl under action of outer levers connected with control hydraulic rams. Space between front and rear portions of bottom is filled with subknife plate discharge trough controlled by hydraulic rams. Front portion of bottom is coupled with rear wall by means of cable-and-spring suspension. EFFECT: enlarged operating capabilities. 3 cl, 4 dwg