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Friction ball drive 1




It is a planetary drive. The blue output shaft plays role of a planet carrier.

Input: the pink cone shaft (sun gear).

The yellow ring of internal cone surface (annulus) is fixed.

The friction forces at contact places are created by the orange spring.

This mechanism can be realized by using a ordinary ball bearing.

Fix a shaft to its inner ring, replace its separator by a carrier.

Connect several mechanisms in series to get large transmission ratio.



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