Bus duct with removable joint stack

Claim 1

AN ELECTRIC DISTRIBUTION SYSTEM INCLUDING A PLURALITY OF BUS DUCT SECTIONS OPERATIVELY POSITIONED WITH JOINTS FORMED BETWEEN ADJACENT SECTIONS, AND A PLURALITY OF REMOVABLE JOINT ASSEMBLIES, ONE FOR EACH OF SAID JOINTS, ELECTRICALLY CONNECTING SAID BUT DUCT SECTIONS TOGETHER AT SAID JOINTS; EACH OF SAID SECTIONS INCLUDING AN ELONGATED HOUSING AND A PLURALITY OF ELONGATED BUS BARS DISPOSED WITHIN SAID HOUSING AND EXTENDING GENERALLY PARALLEL TO THE LONGITUDINAL AXIS THEREOF, A FIRST AND A SECOND OF SAID SECTIONS MOUNTED IN END TO END RELATIONSHIP WITH EACH OF SAID BUS BARS IN SAID FIRST SECTION AXIALLY ALIGNED WITH AN INDIVIDUAL BUS BAR OF SAID SECOND SECTION AND POSITIONED TO FORM AN END SPACE BETWEEN THE BUS BARS OF SAID FIRST AND SAID SECOND SECTIONS; A FIRST OF SAID REMOVABLE JOINT ASSEMBLIES WHEN IN AN OPERATIVE POSITION ELECTRICALLY CONNECTING THE BUS BARS OF SAID FIRST AND SECOND SECTIONS; SAID FIRST ASSEMBLY BEING MOVABLE AS A UNITARY STRUCTURE TO AND FROM SAID OPERATIVE POSITION; SAID FIRST ASSEMBLY INCLUDING A PLURALITY OF CONDUCTING SPLICE PLATES, A PLURALITY OF INSULATORS INTERPOSED BETWEEN PREDETERMINED ONES OF SAID PLATES, A CLAMPING BOLT MEANS EXTENDING THROUGH SAID PLATES AND SAID INSULATORS, AND MEANS INSULATING SAID BOLT MEANS FROM SAID PLATES AND THE BUS BARS OF SAID FIRST AND SECOND SECTIONS; SAID BOLT MEANS POSITIONED IN SAID END SPACE AND SAID PLATES EXTENDING ACROSS SAID END SPACE TO ELECTRICALLY CONNECT BUS BARS OF SAID FIRST SECTION TO ALIGNED BUS BARS OF SAID SECOND SECTION, EACH OF SAID INSULATORS BEING AN INDIVIDUAL ELEMENT OF ONE PIECE CONSTRUCTION.