Patent ID: 8261678

Claim:
A workpiece processing attachment that processes a workpiece and that is detachably attached to a sewing machine including a presser foot that presses the workpiece, a presser bar that has the presser foot detachably attached to a lower end thereof, a presser bar vertically moving mechanism that is configured to move the presser bar up and down, a needle clamp that is configured to detachably receive a sewing needle, a needle bar that has the needle clamp attached to a lower end thereof, and a needle bar vertically moving mechanism that is configured to move the needle bar up and down, the workpiece processing attachment comprising: a body that is detachably attached to the lower end of the presser bar; a connecting element that is capable of being connected to the needle clamp and that is movable up and down with the needle bar being moved up and down by the needle bar vertically moving mechanism; a needle that is configured to penetrate the workpiece to form a hole in the workpiece, the needle being different from the sewing needle; and a needle vertically moving mechanism that is configured to move the needle up and down by the up and down movement of the connecting element.