Nut automatic feeder

To the upper electrode 2 in a raised position, when the first nut 200A of the chute 56 is positioned directly below the center of the upper electrode 2 axes, the resilient tip 26a is a guide shaft 26 descends, 26b of the top nut 200A is inserted into the screw holes 200a, then, when the chute 56 is retracted, the head nut 200A held elastically tip 26a, at 26b, the pushes open the stopper plate 63 against the 閉弾 with resistance force of the elastic member 61, resilient tip 26a out to the outside of the chute 56 is resiliently held in 26b.