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A motion transforming device which is almost - rectilinear, of small amplitude in the circular movement, particularly in order to use the weight of the human body during the action of the feet, for example, in a scooter
A motion transforming device which is almost - rectilinear, of small amplitude in the circular movement, particularly in order to use the weight of the human body during the action of the feet, for example, in a scooter
