Patents by Inventor Tom Kotas

Tom Kotas 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).

  • Drive system for a flail mower
    Patent number: 7930872
    Abstract: A direct drive system for the rotating cutter shaft assembly in a flail mower includes a internally splined collar having a thermal interfitment within and welded attachment to a rotating shaft assembly. An externally splined shaft from a drive motor mounted to the flail mower housing fits into the internally splined collar to provide rotational force to the rotating cutter shaft assembly.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: April 26, 2011
    Assignee: Alamo Group, Inc.
    Inventors: Bart L. Trevillyan, Tom Kotas, Brian E. Hardy, Allen C Larson
  • Drive system for a flail mower
    Publication number: 20100115903
    Abstract: A direct drive system for the rotating cutter shaft assembly in a flail mower includes a internally splined collar having a thermal interfitment within and welded attachment to a rotating shaft assembly. An externally splined shaft from a drive motor mounted to the flail mower housing fits into the internally splined collar to provide rotational force to the rotating cutter shaft assembly.
    Type: Application
    Filed: November 12, 2008
    Publication date: May 13, 2010
    Inventors: Bart L. Trevillyan, Tom Kotas, Brian E. Hardy, Allen C. Larson