Patent ID: 7101129

Claim:
A machine tool for machining large-area workpieces, the machine tool comprising: a bed; a column movable along one coordinate axis over the bed; a machining unit positioned on one side of the column next to a work area, said machining unit being movable along at least two other coordinate axes, said machining unit further comprising: a pivotable working spindle; a central support pipe and three telescopic legs positioned at an angle of approximately 120° with respect to one another; and a retainer supporting the pivotable working spindle, said retainer positioned next to the work area on one end of the central support pipe and rotatable about an axis of the central support pipe; at least one work carrier, which can be pivoted from a horizontal set-up position into a vertical machining position; and two alternating working stations arranged side-by-side behind said bed, said working stations being separated by a movable door; said movable column having a central recess and a universal bearing in said recess supporting said central support pipe therein, said movable column also having three lower recesses and a universal bearing in each of the three lower recesses supporting said three telescopic legs therein.