High current switch arrangement for quick break

Claim 1

A HIGH VOLTAGE CIRCUIT BREAKER; SAID HIGH VOLTAGE CIRCUIT BREAKER COMPRISING A PAIR OF STATIONARY CONTACTS POSITIONED IN SPACED RELATION WITH RESPECT TO ONE ANOTHER AND A MOVABLE BRIDGING CONTACT; AN OPERATING MEANS FOR SAID MOVABLE BRIDGING CONTACT; SAID OPERATING MEANS BEING OPERABLE TO MOVE SAID MOVABLE CONTACT BETWEEN AN ENGAGED AND DISENGAGED POSITION; SAID OPERATING MEANS BEING A HIGH SPEED OPERATING MEANS OPERABLE TO MOVE SAID BRIDGING CONTACT TO SAID CONTACT DISENGAGED POSITION AT A SPEED WHEREBY RECOVERY VOLTAGE AT ANY INSTANT IS INSUFFICIENT TO CAUSE BREAKDOWN FROM SAID MOVABLE CONTACTS TO SAID STATIONARY CONTACTS; AND AN INSULATING BARRIER MEANS; SAID INSULATING BARRIER MEANS BEING INTERPOSED BETWEEN SAID PAIR OF STATIONARY CONTACTS WHEN SAID MOVABLE BRIDGING CONTACT IS MOVED TO SAID DISENGAGED POSITION; SAID PAIR OF STATIONARY CONTACTS BEING RELATIVELY CLOSELY SPACED WITH RESPECT TO ONE ANOTHER RELATIVE TO THEIR REQUIRED SPACING IN THE ABSENCE OF SAID INSULATING BARRIER WHEREBY THE MASS OF SAID MOVABLE CONTACT IS DECREASED; SAID MOVABLE BRIDGING CONTACT BEING CARRIED BY SAID INSULATING BARRIER; A SPRING BIASING MEANS; SAID SPRING BIASING MEANS BEING OPERATIVELY CONNECTED TO SAID INSULATING BARRIER FOR BIASING SAID MOVABLE CONTACT TOWARD SAID ENGAGED POSITION AND FOR PROVIDING CONTACT PRESSURE; SAID SPRING BIASING MEANS BEING CHARACTERIZED IN HAVING ITS BIASING FORCE SHARPLY DECREASED TO ZERO IMMEDIATELY AFTER MOVEMENT OF SAID MOVABLE BRIDGING CONTACT TOWARD ITS SAID DISENGAGED POSITION.