Machine tool

Claim 1

IN A MACHINE TOOL, A ROTATABLE SPINDLE FOR ROTATING A WORKPIECE, A LONGITUDINALLY EXTENDING BED HAVING FIRST AND SECOND SPACED WAYS THEREON EXTENDING IN A DIRECTION PARALLEL TO THE AXIS OF ROTATION OF SAID SPINDLE, A TURRET CARRIAGE MOUNTED ON SAID WAYS AND MOVABLE THEREALONG, A TURRET MOUNTED ON SAID CARRIAGE AND HAVING A PLURALITY OF TOOL SUPPORTING SURFACES WHICH UPON ROTATION OF SAID TURRET SEQUENTIALLY TAKE A POSITION WHEREIN EACH SUPPORTING SURFACE LIES IN A PLANE PERPENDICULAR TO THE AXIS OF SAID SPINDLE AND FACES SAID SPINDLE, SAID CARRIAGE HAVING A PORTION WHICH EXTENDS BEYOND THE TOOL SUPPORTING SURFACE WHICH FACES SAID SPINDLE, A TOOLHOLDER OPERATIVELY CONNECTED TO ONE OF SAID TOOL SUPPORTING SURFACES, SAID TOOLHOLDER BEING DISPOSED BETWEEN THE PLANE OF SAID WAYS AND A PARALLEL PLANE THROUGH THE SPINDLE AXIS AND OFFSET FROM THE SPINDLE AXIS TOWARD AND OVER SAID SECOND WAY AND ADAPTED TO SUPPORT A TOOL IN A POSITION WHEREIN THE CUTTING EDGE THEREOF LIES BETWEEN SAID PLANES AND FOR ENGAGING THE OUTER PERIPHERY OF THE WORKPIECE AT A POINT SUBSTANTIALLY ON A LINE TANGENT TO THE WORKPIECE AND WHICH INTERSECTS THE PLANE OF THE WAYS BETWEEN SAID WAYS WITH THE ROTATION OF SAID WORKPIECE BEING DOWNWARDLY TOWARD SAID SECOND WAY AT