| 摘要 |
A transmission device for use in an air compressor includes a first gear connectable to the motor shaft, a second gear connectable to the compressor shaft and a gear assembly provided with a third gear mated with the first gear and a fourth gear mated with the second gear so that rotation of the motor shaft drives the first gear to rotate, which drives the third gear and the fourth gear to rotate and thus the compressor shaft is rotated.
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