Patent ID: 8079506
Filing Date: 2011-12-20
Classification: B23K

Abstract:
1. A stud welding apparatus comprising: a feeder for accommodating a plurality of rod-shaped studs having a rod-shaped shank, a large diameter welding part head at one end and a tip at an other end, and for feeding one stud at a time from an outlet portion thereof; a shuttle mounting device provided at the outlet portion of the feeder; a feeder pipe extending from the shuttle mounting device for receiving studs fed from said feeder; a welding gun, which is connected to the feeder pipe, for holding a received stud at the tip with said welding part head first and for welding said welding part to a workpiece; wherein the shuttle mounting device is provided for mounting a hollow shuttle to the rod-shaped shank of said stud, wherein the hollow shuttle receives the rod-shaped shank of said stud so as to extend the length of the stud so that the overall length, of the stud and hollow shuttle to which the stud has been mounted, is then made a prescribed length so the conjoined stud and hollow shuttle will not tumble in said feeder pipe or in a stud path in said welding gun.