Electrostatic spray gun system

Claim 1

IN AN ELECTROSTATIC COASTING SYSTEM INCLUDING A SPRAY GUN HAVING A CHARGING ELECTRODE FOR ELECTRICALLY CHARGING COATING MATERIAL DISCHARGED BY SAID GUN, THE COMBINATION OF A STEP-UP TRANSFORMER HAVING A PRIMARY WINDING FOR ENERGIZATION FROM AN ALTERNATING CURRENT LINE, SAID TRANSFORMER HAVING A SECONDARY WINDING, A VOLTAGE DOUBLING SYSTEM HAVING TWO INPUT TERMINALS CONNECTED TO THE TWO TERMINALS OF SAID SECONDARY WINDING, SAID SECONDARY WINDING HAVING ONE TERMINAL GROUNDED AND THE OTHER TERMINAL AT HIGH POTENTIAL AND SAID COATING SYSTEM INCLUDING A GROUNDED PORTION COMPRISING THE WORK TO BE COATED, SAID VOLTAGE DOUBLING SYSTEM INCLUDING A FIRST CAPACITOR CONNECTED BETWEEN THE HIGH POTENTIAL SECONDARY WINDING TERMINAL AND A FIRST JUNCTION POINT, ONE RECTIFIER MEANS CONNECTED BETWEEN SAID FIRST JUNCTION POINT AND GROUND, SECOND RECTIFIER MEANS CONNECTED BETWEEN SAID FIRST JUNCTION POINT AND A SECOND JUNCTION POINT, SAID TWO RECTIFIER MANS BEING PROPERLY POLED FOR VOLTAGE DOUBLING ACTION, A BLEEDER RESISTOR CONNECTED BETWEEN SAID SECOND JUNCTION POINT AND GROUND, A COAXIAL CABLE HAVING DIELECTRIC MATERIAL BETWEEN THE CENTRAL CONDUCTOR AND THE OUTER CONDUCTOR, A DIRECT CONNECTION BETWEEN SAID OUTER CONDUCTOR AND GROUND, A DIRECT CONECTION BETWEEN ONE END OF SAID CENTRAL CONDUCTOR AND SAID SECOND JUNCTION POINT, THE REMAINING TERMINAL OF SAID CENTRAL CONDUCTOR AND GROUND CONSTITUTING THE OUTPUT TERMINALS OF THE VOLTAGE DOUBLER SYSTEM, A CONNECTION BETWEEN THE REMAINING TERMINAL OF SAID CENTRAL CONDUCTOR AND THE GUN CHARGING ELECTRODE, THE CABLE CAPACITANCE FUNCTIONING AS A SECOND CAPACITOR IN THE VOLTAGE DOUBLING SYSTEM WHEREBY A SUBSTANTIAL LENGTH OF CABLE FOR MANIPULATION OF SAID GUN IN CONNECTION WITH COATING OPERATIONS MAY BE USED.