Friction clutches with axially-movable clutching members with conical friction surfaces {cone clutches} in which the or each axially-movable member is pressed exclusively against an axially-located member with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member
Friction clutches with axially-movable clutching members with conical friction surfaces {cone clutches} in which the or each axially-movable member is pressed exclusively against an axially-located member with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member