Adaptation of multipole circuit breaker for double current rating

Claim 1

A FIRST AND SECOND CIRCUIT BREAKER UNIT FOR PROTECTING A CIRCUIT HAVING FIRST AND SECOND PHASE CIRCUITS; EACH OF SAID FIRST AND SECOND CIRCUIT BREAKER UNITS COMPRISING A FIRST AND SECOND POLE, EACH HAVING SEPARABLE CONTACTS AND A TRIP MEANS; A FIRST INTEGRALLY CONTAINED COMMON TRIP MECHANISM INTERCONNECTING THE TRIP MEANS OF THE FIRST AND SECOND POLES OF SAID FIRST CIRCUIT BREAKER UNIT, AND A SECOND INTEGRALLY CONTAINED COMMON TRIP MECHANISM INTERCONNECTING THE TRIP MEANS OF THE FIRST AND SECOND POLES OF SAID SECOND CIRCUIT BREAKER UNIT; SAID FIRST INTEGRALLY CONTAINED COMMON TRIP MECHANISM PROVIDING SUBSTANTIALLY SIMULTANEOUS DISENGAGEMENT OF SAID SEPARABLE CONTACTS OF SAID FIRST AND SECOND POLES OF SAID FIRST CIRCUIT BREAKER UNIT, RESPONSIVE TO OPERATION OF EITHER OF SAID POLES, AND SAID SECOND INTEGRALLY CONTAINED COMMON TRIP MECHANISM PROVIDING SUBSTANTIALLY SIMULTANEOUS DISENGAGEMENT OF SAID SEPARABLE CONTACTS OF SAID FIRST AND SECOND POLES OF SAID SECOND CIRCUIT BREAKER UNIT RESPONSIVE TO OPERATION OF EITHER OF SAID POLES; SAID FIRST POLE OF SAID FIRST CIRCUIT BREAKER UNIT BEING CONNECTED IN PARALLEL WITH SAID FIRST POLE OF SAID SECOND CIRCUIT BREAKER UNIT WITHIN SAID FIRST PHASE CIRCUIT; SAID SECOND POLE OF SAID FIRST CIRCUIT BREAKER UNIT BEING CONNECTED IN PARALLEL WITH SAID SECOND POLE OF SAID SECOND CIRCUIT BREAKER UNIT WITHIN SAID SECOND PHASE CIRCUIT.