Patent ID: 7293944

Claim:
A power tool having: a tool body having a circular element; a tool bit holder protruding from the tool body for holding and rotating a tool bit about an axis of rotation; and an operator for operating the bit holder, the operator comprising: an annular member, rotationally engageable with the bit holder, for manual turning of the bit holder to tighten a tool bit in and loosen a tool bit from the bit holder, and a mount mounting the annular member to the tool body for movement of the annular member between a non-operative position rotationally disengaging from the tool bit holder and an operative position rotationally engaging the tool bit holder, wherein the mount has a plurality of legs extending through the annular member that rotatably engage the circular element through a snap action, and the annular member is slidable along the mount between the non-operative position and the operative position.