Patent ID: 7565935

Claim:
A hand-held powered tap driver comprising: a body, a tap-holding chuck rotatably mounted on said body for rotation in a first rotary direction and in a second rotary direction; structure in said body to automatically repetitively first drive said tap chuck in said first rotary direction a sufficient rotary amount to cut threads and then drive said chuck in said second rotary direction for a lesser rotary amount so that a tap held in said tap chuck is automatically repetitively rotated in said first rotary direction a first rotary amount and in said second rotary direction a lesser rotary amount to clear chips as the tap cuts threads in a workpiece, said structure further including a manually operable switch having first and second positions connected so that when said switch is manually actuated to said first position, said tap chuck is automatically repetitively rotated in said first and second rotary directions, said manually operable switch being connected so that when it is in said second position, said tap chuck is rotated in said second rotary direction.