Expulsion-type interrupter for high voltage disconnect switch

Claim 1

AN EXPLUSION TYPE ARC INTERRUPTING DEVICE FOR A HIGH VOLTAGE SWITCH COMPRISING: (A) A HOUSING; (B) A DRIVE LEVER PIVOTALLY MOUNTED WITHIN SAID HOUSING AND HAVING A FIRST TOGGLE SPRING SEAT ADJACENT AN OUTER SWINGING END PORTION THEREOF; (C) A DRIVEN LEVER PIVOTALLY MOUNTED WITHIN SAID HOUSING AND HAVING A SECOND TOGGLE SPRING SEAT ADJACENT AN OUTER SWINGING END PORTION THEREOF AND FACING SAID FIRST SEAT; (D) A COMPRESSION TOGGLE SPRING SEATED ON SAID SEATS; (E) SAID HOUSING HAVING STOP MEANS THEREIN AND SAID DRIVE LEVER AND SAID DRIVEN LEVER EACH BEING ENGAGEABLE WITH SAID STOP MEANS TO LIMIT THEIR MOVEMENT IN EITHER DIRECTION; (F) THE PIVOTAL AXES OF SAID DRIVE AND DRIVEN LEVERS BEING SO LOCATED THAT SAID SPRING SEATS THEREON ARE CLOSEST TOGETHER WHEN SAID LEVERS ARE IN COPLANAR ALIGNMENT AND SO THAT CLOCKWISE MOVEMENT OF SAID DRIVE LEVER RESULTS IN A SNAP ACTION COUNTERCLOCKWISE MOVEMENT OF SAID DRIVEN LEVER AFTER COPLANAR ALIGNMENT IS PASSED, AND VICE-VERSA; (G) MEANS FOR ROTATING SAID DRIVE LEVER IN EITHER DIRECTION; (H) A HOLLOW TUBE OF ARC EXTINGUISHING MATERIAL; (I) AND A PAIR OF ELECTRICAL CONTACTS WITHIN SAID TUBE; AND (J) SAID DRIVEN LEVER BEING CONNECTED TO ONE OF SAID CONTACTS TO SELECTIVELY MOVE IT WITH A SNAP ACTION EITHER INTO ENGAGEMENT OR DISENGAGEMENT WITH THE OTHER CONTACT.