Patents by Inventor James N. Maytum

James N. Maytum 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).

  • Method for turning a track bushing
    Patent number: 4128932
    Abstract: Disclosed herein is a method for rotating the bushings of an assembled and in-place track of a tractor to present new bushing wear areas to the sprockets which engage these bushings.
    Type: Grant
    Filed: August 25, 1976
    Date of Patent: December 12, 1978
    Assignee: Caterpillar Tractor Co.
    Inventors: Harold W. Vanlandingham, Roger L. Boggs, David A. Bullock, James N. Maytum
  • Track bush turning tool
    Patent number: 4050141
    Abstract: Disclosed herein is apparatus for rotating the bushings of an assembled and in-place track of a tractor to present new bushing wear areas to the sprockets which engage these bushings. The apparatus includes a clamp member which is capable of applying rotative force to the bushing to be rotated and means for providing such necessary force.
    Type: Grant
    Filed: December 29, 1976
    Date of Patent: September 27, 1977
    Assignee: Caterpillar Tractor Co.
    Inventors: Harold W. Vanlandingham, Roger L. Boggs, David A. Bullock, James N. Maytum
  • Track bush turning tool
    Patent number: 4002090
    Abstract: Disclosed herein is apparatus for rotating the bushings of an assembled and in-place track of a tractor to present new bushing wear areas to the sprockets which engage these bushings. The apparatus includes a clamp member which is capable of applying rotative force to the bushing to be rotated and means for providing such necessary force.
    Type: Grant
    Filed: September 29, 1975
    Date of Patent: January 11, 1977
    Assignee: Caterpillar Tractor Co.
    Inventors: Harold W. Vanlandingham, Roger L. Boggs, David A. Bullock, James N. Maytum