F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16H—GEARING
F16H57/00—General details of gearing
F16H57/04—Features relating to lubrication or cooling or heating
F16H57/05—Features relating to lubrication or cooling or heating of chains