Patents by Inventor William C. Tracy

William C. Tracy 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).

  • Tilting system for loader machine
    Patent number: 8807909
    Abstract: A tilting system for an implement pivotally connected to a lift arm. The tilting system includes a tilt cylinder configured to provide a rotary movement to the implement. The tilting system includes a tilt lever pivotally connected to the tilt cylinder by a pivot pin E and to the implement by a pivot pin C. The tilting system further includes a tilt link pivotally connected to a lift arm by a pivot pin F, and to the tilt lever by a pivot pin D. An angle defined between a line DE connecting the pivot pins D and E and a line DC connecting the pivot pins D and C, is in the range of 135 to 165 degrees.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: August 19, 2014
    Assignee: Caterpillar Inc.
    Inventors: William C. Tracy, Karl Canner, Wayne E. Harshberger, II, Jason J. Hagedorn, Darren M. Schambach, James White
  • TILTING SYSTEM FOR LOADER MACHINE
    Publication number: 20140105715
    Abstract: A tilting system for an implement pivotally connected to a lift arm. The tilting system includes a tilt cylinder configured to provide a rotary movement to the implement. The tilting system includes a tilt lever pivotally connected to the tilt cylinder by a pivot pin E and to the implement by a pivot pin C. The tilting system further includes a tilt link pivotally connected to a lift arm by a pivot pin F, and to the tilt lever by a pivot pin D. An angle defined between a line DE connecting the pivot pins D and E and a line DC connecting the pivot pins D and C, is in the range of 135 to 165 degrees.
    Type: Application
    Filed: October 12, 2012
    Publication date: April 17, 2014
    Applicant: Caterpillar Inc.
    Inventors: William C. Tracy, Karl Canner, Wayne E. Harshberger, II, Jason J. Hagedorn, Darren M. Schambach, James White
  • Linkage For An Earth-moving Machine
    Publication number: 20110150616
    Abstract: An assembly for controlling the angle of an implement on an earth-moving machine. The assembly includes an upper control arm, a lower control configured to mechanically interface with an implement; a rocker arm configured to pivotably couple the lower control arm to the upper control arm.
    Type: Application
    Filed: December 17, 2009
    Publication date: June 23, 2011
    Applicant: Caterpillar Inc
    Inventors: William C. Tracy, Michael R. Stallings