| 摘要 |
The invention relates to a device for continuously varying a rotative speed, including a first (1, 2, 3) and a second (4, 5, 6) differential assembly, each one including a plurality of functionally interconnected wheels, the first differential assembly being arranged on the drive shaft and the second differential assembly being arranged on the driven shaft, said first and second differential assembly reciprocally interacting by means of the coupling of at least a wheel (2) of the first assembly witha wheel (4) of the second assembly.
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