Vorrichtung,um eine Nabe kontinuierlich in einer Richtung mittels geradliniger Zahnstangen in Drehung zu versetzen

摘要

A device for driving a hub in continuous rotation in one single direction by means of two rectilinear actuating racks which have alternating rectilinear movements simultaneously in opposite directions and of two alternately rotating driving members coupled to the hub when they rotate in a given direction.