Patent ID: 6626618
Filing Date: 2003-09-30
Classification: B23Q,Y10S,Y10T

Abstract:
A machine tool having a plurality of working regions located adjacent each other, and comprising;a movable body adapted to move within any one of the working regions in a first machining mode and to move across the plurality of working regions in a second machining mode; and a stopper which prevents the movable body from moving from the one working region into the other working region in the first machining mode and permits the movable body to move from the one working region into the other working region in the second machining mode, wherein the stopper comprises a movable stopper member attached to the movable body, and a stationary stopper member provided at a fixed position to be brought into abutment against the movable stopper member, wherein the movable stopper member comprises a base having an opening which allows for passage of the stationary stopper member, and an open/close mechanism for opening and closing the opening of the base.