Patents by Inventor William Howard Sink

William Howard Sink 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 clutch spring having radial and rotational restraints
    Patent number: 3939951
    Abstract: A diaphragm spring is maintained in concentric relation with the clutch axis by integral support means formed on the clutch cover member. The diaphragm spring has a plurality of openings and the integral support means includes circumferentially spaced tang portions extending axially from the cover through certain of the openings and circumferentially spaced tab portions extending axially from the cover through other of the openings in the diaphragm spring. The tang and tab portions engage the openings in such a manner as to prevent both relative radial movement between the diaphragm spring and cover and relative rotational movement therebetween.
    Type: Grant
    Filed: December 23, 1974
    Date of Patent: February 24, 1976
    Assignee: Dana Corporation
    Inventors: William Howard Sink, Richard Allen Flotow