Preassembled and pretorqued friction brake and method of making a safety device containing such a friction brake

摘要

Herein is disclosed a preassembled and pretorqued friction brake comprising at least a pressure plate, a ratchet ring, a friction ring, and a backing plate. Further disclosed is a centrifugally-operated safety device comprising the preassembled and pretorqued friction brake, and methods of making.