Binding post

Claim 1

AN IMPROVED BINDING POST, COMPRISING: A STUD MADE OF CONDUCTIVE MATERIAL AND INCLUDING A NORMALLY LOWER END FOR ATTACHMENT WITH MOUNTING STRUCTURE, A SHANK HAVING A LOWER SECURING PORTION, AND A HEAD HAVING AN UPWARDLY DIVERGING CONICAL SURFACE WHICH IS CIRCUMFERENTIALLY GROOVED TO PROVIDED A SERRATED CONICAL SURFACE; A COLLAR POSITIONED ON SAID STUD AROUND SAID HEAD THEREOF, AND INCLUDING AN UPWARDLY DIVERGING HOLE HAVING A SURFACE ADAPTED TO ENGAGE COOPERATIVELY WITH AT LEAST A PORTION OF SERRATED CONICAL SURFACE OF SAID HEAD WHEN SAID COLLAR IS POSITIONED ON SAID STUD IN ITS UPPERMOST POSITION; A CONICAL TIP FORMED OF A NON-CONDUCTIVE MATERIAL HAVING AN UPWARDLY CONVERGING CONCICAL SURFACE AND BEING LOCATED ON TOP OF SAID HEAD, SAID CONICAL TIP PROVIDES A GUIDING SURFACE TO THE SPACE BETWEEN THE SERRATED CONICAL SURFACE OF SAID HEAD AND THE COOPERATIVE SURFACE OF SAID HOLEL IN SAID COLLAR; SPRING MEANS POSITIONED ON SAID STUD FOR URGING SAID COLLAR TO ITS UPPERMOST POSITION ON SAID STUD; AND MEANS ENGAGING A LOWER PORTION OF SAID STUD FOR RETAINING SAID SPRING MEAN IN A PARTIALLY COMPRESSED CONDITION TO SPRING LOAD SAID COLLAR NORMALLY TO ITS UPPERMOST POSITION ON SAID STUD WHEREBY SAID COLLAR CAN BE DEPRESSED AGAINST THE SPRING FORCE OF SAID SPRING MEANS TO PRODUCE A SPACE BETWEEN THE SERRATED CONICAL SURFACE OF SAID HEAD OF SAID STUD AND THE COOPERATIVE SURFACE OF SAID HOLE IN SAID COLLAR FOR INSERTION OF A WIRE END THEREON, THE WIRE END BEING FIRMLY GRIPPED BETWEEN THE SERRATED CONICAL SURFACE WHEN SAID COLLAR IS RELEASED.