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Multi-spindle end effector

Image Number 3 for United States Patent #6638139.

A multi-spindle end effector is provided for a multiple axis robot. The multi-spindle end effector includes a plate housing having at least a pair of spaced-apart spindles mounted thereon. A servo-motor drivingly engages the spindles. A gear box steps down the RPMs of the motor to the desired RPM of the object to be rotated. A timing belt, which may be continuous, interlinks the first and second spindles so that the rotation of first spindle matches the rotation of the second spindle. An idler pulley may be employed to properly tension the belt.

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