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

Full Title

Internally controlled automatic clutches > actuated entirely mechanically > controlled by angular speed > 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

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL

Subclass:

COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES

Child Classifications

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• F16D 43/09 in which the carrier of the centrifugal masses can be stopped
• F16D 43/1 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