US Patent 7503244 Machine tool and bed thereof

It is an object of the present invention to provide a bed of a machine tool to be stably leveled and supported by three support points and to reduce the strain of the bed of which structure is simplified. The bed of the machine tool according to the present invention comprises three props and a ceiling 18. The props are arranged as a triangle. The ceiling is put on the props and supports at least one tool box and work saddle. In the triangle in view of horizontal plane, there exists center of gravity of the whole machine tool.