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Lifting/Rotating Device for Transferring Workpieces

IP.com Disclosure Number: IPCOM000041669D
Original Publication Date: 1984-Feb-01
Included in the Prior Art Database: 2005-Feb-02

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Wolbold, G [+details]


For automatically transferring a workpiece from a first position A to an adjacent second position D on the same level, the carrier arm is fixed to a lifting/rotating spindle. The spindle is driven by a rotary drive motor. By means of a threaded spindle, the lifting/rotating spindle, together with the arm and the workpiece, initially performs a lifting motion to position B, then a rotary motion to position C, and finally, after the motor's direction of rotation has been reversed, a return lifting motion to position D to deposit the workpiece. The subsequent return rotary motion causes the spindle and the carrier arm to be restored to their original position A. According to Fig. 2, a stepper motor 1 is coupled to a threaded spindle 2 which engages the internal thread of a lifting/rotating spindle 3.