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Image Number 5 for United States Patent #5007624.
A first series of sheet material articles, conveyed by a first gripper conveyor, is interleaved with a second series of sheet material articles, conveyed by a second conveyor, to enable the first and second series of articles to be delivered to a single receiving location in an interleaved relationship. To form the first series of sheet material articles, a plurality of collating spaces are sequentially moved past a first group of hoppers. To form the second series of sheet material articles, the plurality of collating spaces are sequentially moved past a second group of hoppers. Grippers of the first gripper conveyor sequentially grip the articles of the first series of articles at a first delivery location while grippers of a second conveyor are sequentially gripping articles of the second series of articles at a second delivery location. The paths of the two gripper conveyors converge and the first series of articles is interleaved with the second series of articles. The two series of interleaved articles are then conveyed, to a single receiving location where the articles are sequentially released in an interleaved relationship.
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