Patent ID: 7478720

Claim:
A workpiece changer for transfer of workpieces or workpiece palettes between a storage arrangement in a front of a machining machine for such workpieces and/or workpiece palettes and a workpiece table of such machining machine, comprising: a gripper means for taking up and putting down workpieces or workpiece palettes, a linear drive for transfer of the gripper means between a first position at the storage arrangement and a second position at the workpiece table, wherein the gripper means is rotatable about a vertical axis when moving between the first position and the second position, the storage arrangement possessing at least one change station for delivery and acceptance of workpieces or workpiece palettes by the gripper means, and a conveyor means for the supply and removal of palette and/or workpiece receiving means to and from the change station, wherein the gripper means is a double gripper with grippers pointing in opposite directions.