Patent ID: 6353774
Filing Date: 2002-03-05
Classification: B25J,G01N,Y10T

Abstract:
A positioning device comprising:a head assembly; a work-space spaced below the head assembly for receiving at least one tray; an X moving means for moving the head assembly in the X direction; a Y moving means for moving the head assembly in the Y direction; a Z moving means for moving the head assembly in the Z direction; a scanning means for scanning the work-space; an elevator unit having a plurality of shelves arranged in a series one above another each shelf adapted to receive at least one tray, the shelves being movable in the Z direction; a tray moving means for moving a tray between the elevator unit and the work-space; and a control system operably connected to the head assembly, X moving means, Y moving means, Z moving means, scanning means, elevator unit and tray moving means for controlling the movement of the head assembly in the X, Y and Z direction, for controlling the movement of the shelves in the Z direction and for controlling the tray moving means.