| 摘要 |
A multiplier of revolutions comprising a source (1) of a precession motion, from which a rigid procession shaft (2) is protruding, which is provided at its end with the first friction area (3), on which the second friction area (4) is bearing. The axis of the precession shaft (2), at a standstill situation, is coaxial to the verticl axis of the second friction area (4).
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