Patents by Inventor Richard A. Nix

Richard A. Nix has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Diaphragm spring clutches
    Patent number: 4184578
    Abstract: In a diaphragm spring clutch cover assembly one of the annular fulcra for the diaphragm spring is cushioned in order to supplement or replace the cushioning normally incorporated between the friction facings of the driven plate. The cushioning in the fulcrum includes a wavy ring some of whose undulations are of greater height than the others to give a progressive engagement of the clutch.
    Type: Grant
    Filed: June 29, 1978
    Date of Patent: January 22, 1980
    Assignee: Automotive Products Limited
    Inventors: John B. Moore, Richard A. Nix