Multi-phase electric power distribution bus structure

Claim 1

MULTI-PHASE ELECTRIC POWER DISTRIBUTION APPARATUS COMPRISING, IN COMBINATION, A FIRST AND A SECOND SECTION OF BUS DUCT, EACH OF SAID SECTIONS COMPRISING A HOUSING AND TWO SETS OF MULTI-PHASE BUS BARS SUPPORTED WITHIN THE HOUSING, ALL OF THE BUS BARS IN EACH OF SAID SECTIONS BEING SUPPORTED IN A GENERALLY PARALLEL FACE-TO-FACE RELATIONSHIP WITH THE TWO SETS BEING ADJACENT TO EACH OTHER WHEREBY ALL LIKE-PHASE CONDUCTING BUS BARS ARE SEPARATED FROM EACH OTHER BY AT LEAST ONE BUS BAR THAT CONDUCTS A DIFFERENT PHASE, MEANS CONNECTING THE BUS BARS OF THE FIRST SECTION WITH THE BARS OF THE SECOND SECTION, SAID CONNECTING MEANS COMPRISING A PLURALITY OF BUS BAR CONNECTOS EACH OF WHICH ELECTRICALLY CONNECTS TOGETHER FOUR LIKE-PHASE CONDUCTING BUS BARS COMPRISING ONE BUS BAR FROM EACH OF THE SAID FOUR SETS OF SAID TWO SECTIONS, A POWER TAKE-OFF UNIT COMPRISING A CIRCUIT INTERRUPTING DEVICE, MEANS FOR MOUNTING THE POWER TAKE-OFF UNIT ON THE BUS DUCT, AND MEANS FOR ELECTRICALLY CONNECTING THE CIRCUIT INTERRUPTING DEVICE TO THE BUS BAR CONNECTORS.