摘要 |
A pair of carousels is provided in an automated storage and retrieval system. A mast, a pair of elevation frames, and a pair of scara arms are provided between the carousels. One of the scara arms includes a plurality of arms stacked from lower to upper arms such that a hand of the scara arm takes a high position. The other of the scara arms includes a plurality of arms stacked from upper to lower arms such that a hand of the scara arm takes a low position.
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