F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
F16C19/00—Bearings with rolling contact, for exclusively rotary movement
F16C19/54—Systems consisting of a plurality of bearings with rolling friction
Perfectionnements aux ensembles de leviers de tirage montes sur les ratieres et autres mecaniques pour la formation de la foule sur les machines a tisser