Repeating circuit interrupter with improved step advance control means

Claim 1

A REPEATING CIRCUIT INTERRUPTER INCLUDING SWITCH MEANS IN CIRCUIT WITH AN ELECTRICAL SYSTEM, ELECTRORESPONSIVE SWITCH OPENING MEANS, FIRST CIRCUIT MEANS COUPLED TO SAID SYSTEM FOR PROVIDING A CONTROL SIGNAL UPON THE OCCURENCE OF A PREDETERMINED CONDITION IN SAID SYSTEM, SECOND CIRCUIT MEANS COUPLED TO SAID SWITCH OPENING MEANS AND TO SAID FIRST CIRCUIT MEANS AND BEING OPERABLE TO COMPLETE AN ENERGIZING CIRCUIT TO SAID SWITCH OPENING MEANS UPON THE OCCURRENCE OF SAID CONTROL SIGNAL, STEP ACTING SEQUENCING MEANS OPERATIVE TO A PLURALITY OF STAGES TO INITIATE A SWITCH CLOSING OPERATION AFTER EACH OF A PREDETERMINED NUMBER OF SWITCH OPENING OPERATIONS AND TO PREVENT FURTHER RECLOSURE THEREOF AFTER THE NEXT SUCCEEDING SWITCH OPENING OPERATION AFTER SAID PREDETERMINED NUMBER, SAID STEP ACTING MEANS INCLUDING AN ELECTRORESPONSIVE ACTUATING PART COUPLED TO SAID SECOND CIRCUIT MEANS FOR BEING ENERGIZED UPON THE COMPLETION OF AN ENERGIZING CIRCUIT TO SAID SWITCH OPENING MEANS, CONTACT MEANS COUPLED TO SAID SWITCH MEANS AND IN CIRCUIT WITH SAID ELECTRORESPONSIVE ACTUATING PART FOR OPEN CIRCUITING THE LATTER UPON THE OPENING OF SAID SWITCH MEANS AND FOR INTERRUPTING SAID CONTROL SIGNAL, AND STATIC MEANS COUPLED TO SAID FIRST CIRCUIT MEANS FOR DISABLING THE SAME WHEN A SWITCH OPENING OPERATION IS INITIATED.