1. A SILO UNLOADER TRANSISTION ASSEMBLY COMPRISING A FIRST CONDUIT MEANS, SAID FIRST CONDUIT MEANS HAVING A CENTRAL CONDUIT SURROUNDED BY AN ANNULAR TOP HOUSING, SAID ANNULAR TOP HOUSING PROVIDING ANNULAR SUBSTANTIALLY PLANAR INTERNAL SPACE, AN ELECTRICAL CONTACT RING SUPPORTING ASSEMBLY SECURED THERETO AND THEREIN, SAID ELECTRICAL CONTACT RING SUPPORTING ASSEMBLY INCLUDING A SYNTHETIC RESINOUS MEANS PROVIDING A PLURALITY OF DOWNWARDLY DIRECTED CONCENTRIC CHANNELS POSITIONED IN SUBSTANTIALLY A HORIZONTAL PLANE, A PLURALITY OF CURRENT CONDUCTING RINGS, ONE DISPOSED IN EACH SAID CONCENTRIC CHANNELS AND PROVIDING ANNULAR ELECTRIC POWER TRANSMITTING RINGS EACH HAVING A DOWNWARDLY EXPOSED SURFACE, MEANS FOR PROVIDING A SOURCE OF ELECTRIC CURRENT TO A PLURALITY OF SAID CURRENT CONDUCTING RINGS, A SECOND CONDUIT MEANS, FIRST COOPERATING SURFACES JOINING SAID FIRST AND SECOND CONDUIT MEANS TO PROVIDE A CONTINOUS CONDUIT, A PERIPHERAL RETAINING RING MEANS SECURED TO SAID TOP HOUSING AND THEREBENEATH AND PROVIDING AN ANNULAR UPWARDLY DIRECTED MACHINED SURFACE, SAID SECOND CONDUIT MEANS PROVIDING AN ANNULAR BOTTOM HOUSING, SAID LAST HOUSING HAVING A DOWNWARDLY DIRECTED MACHINED SURFACE ADAPTED TO BE POSITIONED ON SAID UPWARDLY DIRECTED MACHINED SURFACE AND AN ANNULAR PERIPHERY ADAPTED TO BE POSITIONED WITHIN SAID PERIPHERAL RETAINING RING MEANS OF SAID TOP HOUSING, MEANS JOINED TO SAID FIRST CONDUIT MEANS PERMITTING CABLE SUPPORT OF SAID FIRST AND SECOND CONDUIT MEANS, SAID SECOND CONDUIT MEANS BEING PROVIDED WITH A BRUSH RETAINING MEANS, AND A PLURALITY OF ELECTRIC POWER TRANSMITTING BRUSHES EACH HAVING AN UPWARDLY EXPOSED SURFACE FOR ENGAGING THE DOWNWARDLY EXPOSED SURFACE OF TIS RESPECTIVE RING MEANS.