LOOSE MATERIAL WEIGHER Russian patent published in 2001 - IPC

FIELD: weighing loose materials. SUBSTANCE: weigher has loading hopper with shutter of rough and precise looseness in outlet pipe, double-arm lever carrying on one arm loose material receiver installed under outlet pipe of loading hopper and on the other one counterbalance, position detectors of double-arm lever connected to respective actuating mechanisms of shutter. Each of position detectors is made in the form of helical spring one of whose ends is shut off and comes in contact with second arm of double-arm lever; other end is connected to respective actuating device of shutter through booster. EFFECT: improved reliability and safety in operation. 4 dwg