the pressure ring actuating friction plates, cones or similar axially-movable friction surfaces

Full Title

Automatic clutches (varying the relationship between two coaxial shafts F16D3/10; freewheels, freewheel clutches F16D41/00) > actuated entirely mechanically > controlled by angular speed (F16D43/24 takes precedence; clutches in which the drive is transmitted through a medium consisting of small particles F16D37/00) > with centrifugal masses actuating axially a movable pressure ring or the like > the pressure ring actuating friction plates, cones or similar axially-movable friction surfaces

Child Classifications

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• F16D 43/09 in which the carrier of the centrifugal masses can be stopped
• F16D 43/10 the centrifugal masses acting directly on the pressure ring, no other actuating mechanism for the pressure ring being provided
• F16D 43/12 the centrifugal masses acting on, or forming a part of, an actuating mechanism by which the pressure ring can also be actuated independently of the masses