| 摘要 |
A transmission device having an input shaft and oscillating output gear with an oscillating connection therebetween. The oscillating connection comprising a pivoted gear cage with oppositely rotatable driving gears, the gear cage having a mechanism to pivot it to connect the input shaft and output gear alternately with the driving gears. The oscillating output gear having an adjustment to control the angle of oscillation. A liquid can be directed through the transmission to an oscillating nozzle.
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