Phonograph record plating fixture

Claim 1

AN ELECTROPLATING FIXTURE COMPRISING AN ANNULAR PHONOGRAPH RECORD PLATE ON WHICH A METAL MASTER RECORD IS TO BE ELECTROPLATED, SAID RECORD PLATE HAVING A CENTER HOLE, A METALLIC NUT, A PLANE SUPPORTING SURFACE ON THE NUT SUPPORTING THE RECORD PLATE, A STUD ANCHORED IN THE NUT AND EXTENDING THEREFROM COAXIAL WITH THE RECORD PLATE CENTER HOLE, AND STUD BEING PERPENDICULAR TO THE PLANE RECORD PLATE SUPPORTING SURFACE, AN ELECTRICALLY NONCONDUCTIVE BUSHING COAXIAL WITH THE STUD AND HOLDING THE RECORD PLATE AGAINST THE SUPPORTING SURFACE, SAID BUSHING HAVING TWO COAXIAL SECTIONS, THE FIRST BUSHING SECTION BEING WITHIN THE RECORD PLATE CENTER HOLE, THE SECOND BUSHING SECTION BEING OF LARGER DIAMETER THAN THE FIRST BUSHING SECTION AND CONTIGUOUS THEREWITH, AT LEAST ONE OF THE OUTER SURFACE OF THE COAXIAL BUSHING SECTIONS BEING TAPERED AN ANNULAR EDGE FORM BY THE RECORD PLATE CENTER HOLE AND THE UNSUPPORTED SURFACE OF THE RECOPRD PLATE, THE JUNCTURE OF THE TWO COAXIAL BUSHING SECTIONS ENGAGING SAID DETERMING THE SIZE OF THE HOLE IN THE METAL MASTER RECORD, WHEREBY THE METAL MASTER RECORD CENTER HOLE WILL BE COAXIAL WITH THE CENTER HOLE IN THE ANNULAR PHONOGRAPH RECORD PLATE, MEANS INCLUDING THE STUD FOR RELATIVELY MOVING THE BUSHING AND THE NUT TO URGE THE RECORD PLATE AGAINST THE SUPPORTING SURFACE, AND MEANS TO SUPPORT THE NUT IN A PLATING BATH.