Patents by Inventor Dennis George Rawlings

Dennis George Rawlings 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).

  • Patent number: 4114742
    Abstract: A clutch cover assembly for a diaphragm spring friction clutch has a generally annular clutch cover with a plurality of circumferentially arranged holes in the cover, a diaphragm spring attached to the clutch cover and having an annular portion and a plurality of inwardly projecting spring fingers integral therewith, and a pressure plate secured to the cover so that the diaphragm spring is interposed between the cover and the pressure plate. The diaphragm spring is attached to the clutch cover by a plurality of individual wire members each of which passes through two of the plurality of circumferentially arranged holes in the cover and encompasses one finger of the diaphragm spring and a portion of the cover.
    Type: Grant
    Filed: February 15, 1977
    Date of Patent: September 19, 1978
    Assignee: Automotive Products Limited
    Inventor: Dennis George Rawlings
  • Patent number: 4026400
    Abstract: A dual clutch, e.g. for agricultural tractors having separate wheel and power take off drives, has a driving plate spaced from a flywheel with two pressure plates interposed. A single Belleville spring clamps one driven plate between one pressure plate and the flywheel and the other driven plate between the other pressure plate and the driving plate. A plurality of release levers pivot on the driving plate to each operate the one pressure plate through a link and the other pressure plate through an adjustable toggle mechanism. The driven plates may drive the same shaft.
    Type: Grant
    Filed: March 2, 1976
    Date of Patent: May 31, 1977
    Assignee: Automotive Products Limited
    Inventor: Dennis George Rawlings