Grain elevator control system

Claim 1

IN A GRAIN ELEVATOR HAVING A PLURALITY OF STORAGE BINS, A VERTICAL CONVEYOR, A DISCHARGE SPOUT ADJUSTABLY CONNECTED TO THE TOP OF SAID CONVEYOR FOR DELIVERING GRAIN TO SAID BINS, SCALES FOR WEIGHING AND DELIVERING GRAIN, AND A DISCHARGE CHUTE OVER SAID SCALES AND CONNECTIBLE TO SAID BINS AND SAID DISCHARGE SPOUT FOR DELIVERING GRAIN TO SAID SCALES-AN ELEVATOR CONTROL SYSTEM WHICH COMPRISES: (A) MEANS FOR SIMULTANEOUSLY HALTING THE SUPPLY OF GRAIN TO SAID CONVEYOR AND PROVIDING VISIBLE AND AUDIBLE SIGNALS IN RESPONSE TO THE FILLING OF SAID BINS WITH GRAIN; (B) MEANS FOR INDICATING THE PROPER ALIGNMENT OF SAID DISCHARGE SPOUT WITH EACH OF SAID BINS AS SAID BINS ARE FILLED FROM SAID DISCHARGE SPOUT AND FOR INDICATING THE BIN WHICH IS BEING FILLED; (C) ELECTRICAL CIRCUIT MEANS ELECTRICALLY CONNECTED TO SAID GRAIN HALTING AND SIGNAL PROVIDING MEANS AND INCLUDING A FIRST SWITCH OPERATIVE IN RESPONSE TO LOADING AND UNLOADING OF SAID SCALES, AND A COUNTING DEVICE ACTUATED BY THE OPENING AND CLOSING OF SAID FIRST SWITCH AND CONNECTED TO SAID GRAIN HALTING AND SIGNAL PROVIDING MEANS FOR SIMULTANEOUSLY HALTING THE SUPPLY OF GRAIN TO SAID CONVEYOR AND PROVIDING VISIBLE AND AUDIBLE SIGNALS WHEN A PREDETERMINED QUANTITY OF GRAIN HAS BEEN DELIVERED BY SAID SCALES AND INDICATED ON SAID COUNTER; AND (D) MEANS RESPONSIVE TO THE SPEED OF SAID CONVEYOR FOR HALTING THE SUPPLY OF GRAIN TO SAID CONVEYOR.