Preselecting and control apparatus for dispensing devices

Claim 1

IN COMBINATION WITH DISPENSING MEANS FOR DISPENSING A SUBSTANCE AND MEASURING MEANS FOR MEASURING THE QUANTITY AND COST OF THE SUBSTANCE BEING DISPENSED, SAID MEASURING MEANS INCLUDING TWO SETS OF MOVABLE INDICIA, ONE OF SAID SETS BEING ADAPTED TO INDICATE THE QUANTITY OF THE SUBSTANCE BEING DISPENSED AND THE OTHER OF SAID SETS BEING ADAPTED TO INDICATE THE COST OF THE SUBSTANCE BEING DISPENSED; THE IMPROVEMENT WHICH COMPRISES PRESELECTING AND CONTROL MEANS FOR PERMITTING DELIVERY OF A PREDETERMINED AMOUNT OF THE SUBSTANCE BEING DISPENSED BY SAID DISPENSING MEANS, SAID PRESELECTING AND CONTROL MEANS COMPRISING MEANS FOR INACTIVATING SAID DISPENSING MEANS, A STEPPING SWITCH HAVING A FIRST MOVABLE CONTACT, A PLURALITY OF FIXED CONTACTS EACH ADAPTED TO ELECTRICALLY CONTACT SAID FIRST MOVABLE CONTACT DURING MOVEMENT THEREOF, FIRST MEANS FOR MOVING SAID FIRST MOVABLE CONTACT AND FIRST ACTUATING MEANS FOR ACTUATING SAID FIRST MEANS FOR MOVING SAID FIRST MOVABLE CONTACT, SECOND ACTUATING MEANS FOR ACTUATING SAID MEANS FOR INACTIVATING SAID DISPENSING MEANS, MEANS ELECTRICALLY CONNECTING SAID FIRST MOVABLE CONTACT AND ONE OF SAID FIXED CONTACTS TO A SOURCE OF ELECTRICAL ENERGY THROUGH SAID SECOND ACTUATING MEANS, TWO IMPULSE SWITCHES, MEANS CARRIED BY SAID ONE SET OF INDICIA FOR ACTUATING ONE OF SAID IMPULSE SWITCHES DURING MOVEMENT OF SAID ONE SET OF INDICIA, MEANS CARRIED BY SAID OTHER SET OF INDICIA FOR ACTUATING THE OTHER OF SAID IMPULSE SWITCHES DURING MOVEMENT OF SAID OTHER SET OF INDICIA, A TWO-POSITION SWITCH, MEANS ELECTRICALLY CONNECTING SAID FIRST ACTUATING MEANS AND SAID ONE IMPULSE SWITCH IN SERIES WITH A SOURCE OF ELECTRICAL ENERGY WHEN SAID TWOPOSITION SWITCH IS IN ONE POSITION, SAID FIRST ACTUATING MEANS AND SAID OTHER IMPULSE SWITCH BEING CONNECTED IN SERIES WITH A SOURCE OF ELECTRICAL ENERGY IN THE OTHER POSITION OF SAID TWO-POSITION SWITCH.