Tool changing inventions 01/07

20070015646 - Machine tool comprising at least one machining unit and method of machining workpieces using such a machine tool: A machine tool comprising at least one machining unit having at least one work spindle for accommodating tools in order to machine workpieces in a working area is provided with a first and a second transport device, by which workpieces are transported between the working area and a loading/unloading station.... Agent: Harness, Dickey & Pierce, P.L.C

20070010385 - Exchange system of rotary worktables: An exchange system includes a rotating mechanism and a table base connected to the rotating mechanism to exchange two worktables of a machine tool and a positioning device. The positioning device has a first positioning member, which is a pin on a top of a machine table of the machine... Agent: Bruce H. Troxell

20070004572 - Automatic tool changing device and working machine: An automatic tool changing device (30) has a tool storage device (31) with a plurality of tools stored therein, a tool chucking unit (41) and a tool unchucking unit (51) both capable of advancing/retreating between the tool storage device (31) and a tool changing position (P2), and a tool delivery... Agent: Dla Piper Rudnick Gray Cary US LLP