Compressed air switch with multiple interruption

Claim 1

A COMPRESSED AIR ACTUATED SWITCH UNIT COMPRISING A MAIN TANK CONTAINING COMPRESSED AIR, FIRST AND SECOND HOLLOW INSULATOR COLUMNS UPSTANDING UPON SAID MAIN TANK, AN AUXILLIARY COMPRESSED AIR TANK SUPPORTED A TOP SAID FIRST HOLLOW INSULATOR FOR RECEIVING COMPRESSED AIR FROM SAID MAIN TANK, A FIRST HOLLOW INSULATOR EXTENDING LATERALLY FROM SAID AUXILLIARY COMPRESSED AIR TANK AND CONTAINING A PAIR OF COMPRESSED AIR ACTUATED POWER INTERRUPTING SWITCHING CONTACTS, A SECOND HOLLOW INSULATOR EXTENDING UPWARDLY FROM SAID AUXILLIARY COMPRESSED AIR TANK AND CONTAINING A SECOND PAIR OF COMPRESSED AIR ACTUATED POWER INTERRUPTING SWITCHING CONTACTS, VALVE MEANS WITHIN SAID AUXILIARY COMPRESSED AIR TANK FOR CONTROLLING FLOW OF COMPRESSED AIR TO SAID FIRST AND SECOND HOLLOW INSULATORS FOR ACTUATING SAID FIRST AND SECOND PAIRS OF SWITCHING CONTACTS, A THIRD HOLLOW INSULATOR MOUNTED ON SAID SECOND INSULATOR COLUMN AND CONTAINING A PAIR OF COMPRESSED AIR ACTUATED VOLTAGE DISCONNECTING SWITCHING CONTACTS, ONE OF SAID VOLTAGE DISCONNECTING CONTACTS BEING CONNECTED TO ONE OF THE POWER INTERRUPTING CONTACTS OF SAID SECOND PAIR OF SUCH CONTACTS, SAID FIRST AND SECOND PAIRS OF POWER INTERRUPTING SWITCHING CONTACTS BEING CONNECTED IN SERIES, A LOW OHMIC RESISTANCE CONNECTED IN PARALLEL WITH SAID SECOND PAIR OF POWER INTERRUPTING SWITCHING CONTACTS, AND A HIGH OHMIC RESISTANCE CONNECTED IN PARALLEL WITH SAID FIRST PAIR OF POWER INTERRUPTING SWITCHING CONTACTS.