Patent ID: 7306509

Claim:
A working apparatus which comprises a carrying and holding mechanism that carries and holds the workpiece, a working tool that performs working on the surface that is to be worked on the workpiece, and a tool holding mechanism that holds the working tool, and which is constructed so that working is performed on the surface that is to be worked by causing relative motion between the working tool and the workpiece while causing the working tool to contact the surface that is to be worked on the workpiece, this working apparatus being characterized by the fact that the working tool has a first working tool that can partially work the surface that is to be worked, and a second working tool that can uniformly work the entire surface of the surface that is to be worked; and the working surface of the first working tool is smaller than the surface that is being worked; and wherein the carrying and holding mechanism is configured to carry and hold the workpiece in which the size of the surface that is being worked is larger than the size of the working surface of the first working tool.