Patents by Inventor Dave E. Keedy

Dave E. Keedy 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).

  • Material deflecting assembly for a track assembly
    Patent number: 5775447
    Abstract: During the operation of a track-type machine in abrasive terrain, it is common to have foreign material deposited between the engagement surfaces of a track chain assembly. The presence of this foreign material between these surfaces has been known to greatly accelerate the wear between these components. The present invention provides a pair of deflecting plates that are positioned adjacent and in overlying relation to certain engagement surfaces of various components of the track chain assembly 14. The deflecting plates direct foreign material away from contact with the engagement surfaces and thereby reduce the wear of the track chain components.
    Type: Grant
    Filed: September 25, 1996
    Date of Patent: July 7, 1998
    Assignee: Caterpillar Inc.
    Inventors: Delbert D. Dester, Dave E. Keedy
  • Scraping apparatus for a track idler
    Patent number: 5725292
    Abstract: In the operation of a track chain assembly a high degree of wear is normally experienced due to the environment in which a track-type machine must operate. This wear is typically accelerated by foreign matter that is carried by an idler member of the track chain assembly and is permitted to remain on its contact surfaces as they engage the other track chain components. The present invention provides a scraper assembly that defines a plurality of scraping portions that continuously engage the contact surfaces of idler to remove foreign material therefrom before the contact surfaces engage other track chain components.
    Type: Grant
    Filed: June 25, 1996
    Date of Patent: March 10, 1998
    Assignee: Caterpillar Inc.
    Inventors: Dave E. Keedy, Jerry D. Fidler, Daniel L. Mikrut, Jon S. Burdick
  • Biased scraping apparatus for an idler
    Patent number: 5697683
    Abstract: In the operation of a track chain assembly a high degree of wear is normally experienced due to the environment in which a track-type machine must operate. This wear is typically accelerated by foreign matter that is carried by an idler member of the track chain assembly and is permitted to remain on its contact surfaces as they engage the other track chain components. The present invention provides a scraper assembly that defines a plurality of scraping portions that are adapted to carry a scraping insert on an end portion thereof. The scraping inserts are continuously urged into engagement with the contact surfaces of the idler to remove foreign material therefrom before the contact surfaces engage other track chain components.
    Type: Grant
    Filed: December 13, 1996
    Date of Patent: December 16, 1997
    Assignee: Caterpillar Inc.
    Inventors: Jeffery R. Arulandu, Jerry D. Fidler, Dave E. Keedy, Larry K. Rhodes