CPC Subgroup
F16D 13/12 with an expansible band or coil co-operating with the inner surface of a drum or the like (F16D13/02 takes precedence; similar brakes F16D51/02)
Full Title
Friction clutches (arrangements for synchronisation F16D23/02) > with an expansible band or coil co-operating with the inner surface of a drum or the like (F16D13/02 takes precedence; similar brakes F16D51/02)