Patent ID: 7416031

Claim:
An impact tool, comprising: a motor; a spindle being rotationally driven by a motor; a tip tool; a first anvil; a second anvil; a hammer, being mounted on the spindle, for generating a rotary impact force which is intermittently transmitted to the tip tool through the first and second anvils to thereby be given to the tip tool; and a cushioning mechanism provided between said first and second anvils to perform a cushioning function in a rotational direction and in an axial direction wherein in a first position of said first and second anvils, said cushioning mechanism biases said first and second anvils so that said first and second anvils do not directly engage each other, and wherein in a second position of said first and second anvils, when a torque is applied to said first anvil exceeding a predetermined value, said first and second anvils directly engage each other, thereby directly transmitting said torque from said first anvil to said second anvil.