F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16H—GEARING
F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
F16H55/32—Friction members
F16H55/52—Pulleys or friction discs of adjustable construction
F16H55/56—Pulleys or friction discs of adjustable construction of which the bearing parts are relatively axially adjustable
F16H55/566—Pulleys or friction discs of adjustable construction of which the bearing parts are relatively axially adjustable only adjustable when pulley is stationary
Convertisseur de mouvement rotatif en mouvement lineaire comportant des billes en roulement et mecanisme d'avance a deux vitesses contenant un tel convertisseur