Electronic feeding and proportioning apparatus for fluent materials

Claim 1

FEEDING APPARATUS FOR FLUENT MATERIALS, SAID APPARATUS COMPRISING IN COMBINATION: (A) A CONTAINER ADAPTED TO HOLD THE MATERIAL AND HAVING A DISCHARGE OPENING, (B) ELECTRICALLY OPERATED VALVE MEANS POSITIONED IN THE DISCHARGE OPENING, (C) AN ELECTRIC CIRCUIT INCLUDING THE VALVE MEANS, AND (D) DRUM ELECTRIC SWITCH MEANS ALSO IN THE ELECTRIC CIRCUIT AND INCLUDING (E) A DRUM HAVING ON ITS PERIPHERY AN AREA OF NONCONDUCTING MATERIAL AND AN AREA OF CONDUCTING MATERIAL PROVIDING PARALLEL CIRCUMFERENTIAL PATHS OF VARYING BUT PREDETERMINED LENGTH, (F) ELECTRIC CIRCUIT ALTERING MEANS RESPONSIVE TO SAID CONDUCTING MATERIAL, THE ALTERING MEANS AND DRUM BEING MOVABLE RELATIVE TO EACH OTHER; (G) AN ADJUSTABLE MOUNTING MEANS MOUNTING THE ALTERING MEANS FOR MOVEMENT LONGITUDINALLY OF THE DRUM FOR STATIONING IT IN OPERATIVE RELATION TO A SELECTED ONE OF THE TRAVEL PATHS OF THE CONDUCTING MATERIAL, (H) THE ALTERING MEANS, AND HENCE THE VALVE MEANS, BEING ACTUATED UPON RELATIVE MOVEMENT OF THE ALTERING MEANS AND THE DRUM FOR A TIME INTERVAL COMMENSURATE WITH THE LENGTH OF THE SELECTED TRAVEL PATH OF THE CONDUCTING MATERIAL.