| 摘要 |
A materials handling device, such as a palletizer and/or depalletizer, which may be adapted to operate in either mode, has a mechanism, for feeding pallets to be loaded and ejecting pallets which have been unloaded, at the top of the device. The pallets are introduced into a bay and placed onto an elevator and sequentially indexed upwards a distance equal to each layer to be unloaded or downward a distance equal to each layer to be loaded. The pallets in the machine are indexed to a standard position. Ejection and introduction of loaded and unloaded pallets is automatically sequenced.
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