Patents by Inventor Robert C. Dunn

Robert C. Dunn 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).

  • Tapered channel modular main frame
    Patent number: 4168087
    Abstract: A vehicle frame having longitudinally spaced apart parallel tapered channel frame members extending forwardly from a unitized backhoe mounting rear frame section to a front yoke. The tapered channel frame members are narrow at the front yoke and become wider toward the midsection of the frame. These frame members are at their widest just forward of a rear axle location on the frame.A unitized backhoe mounting rear frame section and a loader tower locate the tapered channels relative to the longitudinal center line of the frame.
    Type: Grant
    Filed: May 30, 1978
    Date of Patent: September 18, 1979
    Assignee: International Harvester Company
    Inventors: Joseph Paplaski, Robert C. Dunn, Joseph M. Jania
  • Disc Brake
    Patent number: 4114732
    Abstract: A disc brake which may be used for vehicles comprising a circular hub having a conical-shaped hub cavity on the back thereof providing a conical face about a central axis and a complementary, corresponding brake disc block mounted on the vehicle wheel axle for longitudinal axial movement thereon into friction engagement with the hub cavity in response to small fluid operated pistons which may be actuated from a vehicle brake control.
    Type: Grant
    Filed: July 5, 1977
    Date of Patent: September 19, 1978
    Inventor: Robert C. Dunn
  • Multi-positional seat having a following instrument panel
    Patent number: 4026379
    Abstract: Parallel linkage supporting a seat and an instrument panel in a vehicle allow the seat and panel to be moved together to a distant operating location.
    Type: Grant
    Filed: November 26, 1975
    Date of Patent: May 31, 1977
    Assignee: International Harvester Company
    Inventors: Robert C. Dunn, Joseph M. Jania
  • Lockable flip-up instrument panel
    Patent number: 3992070
    Abstract: A console type panel having instruments integral with the cover of the panel which is capable of being positioned in either a closed and locked attitude or an opened attitude by means of an external handle connected to an over-centering operating linkage.
    Type: Grant
    Filed: May 15, 1975
    Date of Patent: November 16, 1976
    Assignee: International Harvester Company
    Inventors: Robert C. Dunn, Joseph M. Jania