F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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
1/00 Couplings for rigidly connecting two coaxial shafts or other movable machine elements
F16D1/06 for attachment of a member on a shaft or on a shaft-end
F16D1/08 with clamping hub; with hub and longitudinal key
F16D1/0876 with axial keys and no other radial clamping