| 摘要 |
An article supplier is provided with a first elevator for supplying articles contained in a pallet to a robot, a second elevator for discharging an empty pallet, and a driving mechanism for seesaw-moving the first and second elevators with the pallet being moved to an article supply position and a discharge position for the empty pallet by the elevators. In addition, a plurality of detectors detect the positions of the elevators and the raising and lowering of the first and second elevators is based on signals from the detectors.
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