Patent ID: 8678720
Filing Date: 2014-03-25
Classification: B23G,Y10T

Abstract:
1. A tapping attachment for a motor-driven tool, the tapping attachment comprising: (a) a housing, (b) a main shaft assembly adapted to retain a tap, the main shaft assembly comprising, (c) a drive mechanism, the drive mechanism comprising, (d) wherein the main shaft is capable of being selectively axially displaced in both a first direction such that the rotatable drive wheel engages one of the pair of discs and a second direction such that the rotatable drive wheel engages the other of the pair of discs, the drive wheel selectively engaging and rotatably driving each of the pair of discs in opposite directions so as to rotate the main shaft in either axial direction, with one of the pair of compression springs returning the main shaft to the naturally biased position when displaced in the first direction and the other of the pair of compression springs returning the main shaft to the naturally biased position when displaced in the second direction.