F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
F16D21/00—Systems comprising a plurality of actuated clutches
F16D21/02—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways
F16D21/04—Systems comprising a plurality of actuated clutches for interconnecting three or more shafts or other transmission members in different ways with a shaft carrying a number of rotatable transmission members, e.g. gears, each of which can be connected to the shaft by a clutching member or members between the shaft and the hub of the transmission member
Appareil de transmission mecanique automatique a variation continue du rapport de transmission depuis un rapport infini jusqu'a un rapport inferieur a 1/1
Perfectionnements apportes a des dispositifs mecaniques d'entrainement selectif d'au moins deux arbres menes a partir d'un arbre menant unique, notamment pour le deplacement longitudinal d'un ruban encreur dans une machine imprimante