Patent ID: 7503244
Filing Date: 2009-03-17
Classification: B23Q,B24B,Y10T

Abstract:
1. A machine tool comprising: a bed including a floor and a ceiling; means including three props connected at a lower side of the ceiling for supporting and rigidifying said ceiling; at least one tool box and work saddle arranged on an upper side of said ceiling; and wherein the props are arranged and located such that the center of gravity of said whole machine tool exists inside a horizontal triangle linking said props, wherein said bed includes a tool box-base for supporting said tool box and a work saddle-base for supporting said work saddle; wherein said tool box moves in one direction on said tool box-base and said work saddle traverses said direction on said work saddle-base; wherein one of said props is formed in the region of said tool box-base; and wherein the other props are formed in the region of both ends of said work saddle-base and spaced in a direction of movement of said work saddle such that a center of gravity of said whole machine tool is in a horizontal triangle linking said props.