Patents by Inventor Allen C Larson

Allen C Larson 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
  • Self-cleaning mower ground roller assembly mounting system
    Patent number: 7914431
    Abstract: A self-cleaning mounting system for a ground roller assembly to be used on a mower such as a flail mower including a stationary sleeve bearing positioned on mounting shafts extending from either end of the ground roller. The stationary sleeve bearing is positioned in a housing which is vertically positionably with respect to the mower housing. The housing includes a stationary helical flight and a seal guard which fits within the ground roller. The stationary sleeve bearing is protected on either end from dirt and debris getting between the inside surface of the stationary sleeve bearing and the outside surface of the mounting shafts on either end of the ground roller.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: March 29, 2011
    Assignee: Alamo Group, Inc.
    Inventors: Bart L. Trevillyan, Brian E. Hardy, Mark A Otten, Allen C Larson
  • Mower ground roller assembly mounting system
    Publication number: 20100115908
    Abstract: A mounting system for a ground roller assembly to be used on a mower such as a flail mower including a stationary sleeve bearing positioned on mounting shafts extending from either end of the ground roller. The stationary sleeve bearing is positioned in a housing which is vertically positionably with respect to the mower housing. The stationary sleeve bearing is protected on either end from dirt and debris getting between the inside surface of the stationary sleeve bearing and the outside surface of the mounting shafts on either end of the ground roller.
    Type: Application
    Filed: November 12, 2008
    Publication date: May 13, 2010
    Inventors: Bart L. Trevillyan, Brian E. hardy, Mark A. Otten, Allen C. Larson
  • Self-cleaning mower ground roller assembly mounting system
    Publication number: 20100115907
    Abstract: A self-cleaning mounting system for a ground roller assembly to be used on a mower such as a flail mower including a stationary sleeve bearing positioned on mounting shafts extending from either end of the ground roller. The stationary sleeve bearing is positioned in a housing which is vertically positionably with respect to the mower housing. The housing includes a stationary helical flight and a seal guard which fits within the ground roller. The stationary sleeve bearing is protected on either end from dirt and debris getting between the inside surface of the stationary sleeve bearing and the outside surface of the mounting shafts on either end of the ground roller.
    Type: Application
    Filed: March 4, 2009
    Publication date: May 13, 2010
    Inventors: Bart L. Trevillyan, Brian E. Hardy, Mark A. Otten, 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