Wide-range conveyor-type batch weigher

Claim 1

A BELT TYPE BATCH WEIGHING APPARATUS FOR BULK GOODS COMPRISING AN ENDLESS BELT PASSING OVER AN OUTER GUIDE ROLLER AND CYLINDRICAL INNER DRIVING ROLLER, SAID ROLLER BEING MOUNTED IN BEARINGS IN A FRAME, A MOTOR ATTACHED TO THE FRAME AND ARRANGED BENEATH THE DRIVING ROLLER FOR DRIVING THE LATTER, SAID BELT, FRAME ROLLERS AND MOTOR FORMING THE FIRST ARM OF A BALANCE, A SLIDING WEIGHT BEAM WITH AT LEAST ONE SLIDING WEIGHT FORMING THE SECOND ARM OF THE BALANCE AND ATTACHED TO THE FRAME IN Z-SHAPED ARRANGEMENT, A CENTRAL CROSS BAND AXIS BETWEEN THE FRAME AND THE SLIDING WEIGHT BEAM FOR OSCILLATING SUSPENSION OF THE FRAME AND THE MOTOR ASSOCIATED THEREWITH AND ALSO THE SLIDING WEIGHT BEAM IN THE NEIGHBOURHOOD OF THE DISCHARGE ZONE OF THE BELT, LATERAL GUIDE PLATES OVER THE LOWER FLIGHT OF THE BELT, A TROUGH BENEATH THE UPPER FLIGHT OF THE BELT, A DIFFERENTIAL TRANSFORMER FOR FRICTIONLESS SCANNING OF THE DEFLECTION OF THE SLIDING WEIGHT BEAM, AN EDDY CURRENT BRAKE FOR DAMPING OSCILLATIONS OF THE SLIDING WEIGHT BEAMS AND A REGULATOR CONTROLLED BY THE DIFFERENTIAL TRANSFORMER AND HAVING AN INDICATING MEANS CONTROL OF A FEEDER ENDING OVER THE OUTER GUIDE ROLLER AND SUPPLYING THE BULK GOODS TO BE WEIGHED.