Patents by Inventor David V. Nelson

David V. Nelson 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).

  • Reversible track link with replaceable rail and method
    Patent number: 3947074
    Abstract: An endless track assembly for a track type vehicle comprises a symmetrical track link having a rail segment and a track shoe disposed on upper and lower surfaces thereof, respectively. A pair of longitudinally spaced bosses are secured to an underside of the rail segment and are each disposed in a bore formed transversely through the track link. A bolt extends upwardly through the track shoe and bore and is threadably attached to each of the bosses. Upon release of the bolts, the rail segment and track shoe may be reattached to opposite sides of the link.
    Type: Grant
    Filed: January 27, 1975
    Date of Patent: March 30, 1976
    Assignee: Caterpillar Tractor Co.
    Inventor: David V. Nelson