Patents by Inventor Kenneth Lefew

Kenneth Lefew 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).

  • Trunnion support and bearing particularly for universal joint
    Patent number: 7850529
    Abstract: A combination of an annular spacer, and a thrust washer in the opening of the spacer. The spacer and the thrust washer being connected by sacrificial tabs dimensioned to be stronger toward one of the spacer and thrust washer so that upon breaking of the sacrificial tabs, the tab remnants will stay with the one of the spacer and the washer to which it was more strongly attached. A trunnion on a spider of a universal joint and the trunnion is to be connected to a yoke arm. The trunnion being received in a trunnion cup. The spacer and the thrust washer combination being toward the bottom of the cup. An array of needle bearings around the periphery of the trunnion inside the cup. An annular seal in the cup sealing around the installed trunnion.
    Type: Grant
    Filed: September 26, 2007
    Date of Patent: December 14, 2010
    Assignee: Schaeffler KG
    Inventors: Kenneth Rogers, Kenneth Lefew, John Therriault
  • TRUNNION SUPPORT AND BEARING PARTICULARLY FOR UNIVERSAL JOINT
    Publication number: 20080234054
    Abstract: A combination of an annular spacer, and a thrust washer in the opening of the spacer. The spacer and the thrust washer being connected by sacrificial tabs dimensioned to be stronger toward one of the spacer and thrust washer so that upon breaking of the sacrificial tabs, the tab remnants will stay with the one of the spacer and the washer to which it was more strongly attached. A trunnion on a spider of a universal joint and the trunnion is to be connected to a yoke arm. The trunnion being received in a trunnion cup. The spacer and the thrust washer combination being toward the bottom of the cup. An array of needle bearings around the periphery of the trunnion inside the cup. An annular seal in the cup sealing around the installed trunnion.
    Type: Application
    Filed: September 26, 2007
    Publication date: September 25, 2008
    Inventors: Kenneth ROGERS, Kenneth LEFEW, John THERRIAULT