| 摘要 |
An improved rotary sprayer for an automatic dishwasher includes a pair of elongated hollow arms containing a plurality of nozzles and a pair of end nozzles for periodically and alternately opening and closing, respectively by rotation of rotation converting valve which is, in turn, driven by valve driving member whereby dishes held in the dish racks is uniformly cleaned by spraying the surface of the dishes with the cleaning water by the nozzles.
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