Patents by Inventor Wallace H Larson

Wallace H 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).

  • Conveyor roller assembly
    Patent number: 6612422
    Abstract: A conveyor roller assembly comprising a supporting bracket through which the roller assembly can be fixed in use, a hollow, generally cylindrical roller shell supported for rotation about its longitudinal axis on the bracket, an electrical generator housed within the roller shell and driven thereby by rotation of the shell to produce an electrical output, a brake within the roller shell and operable to brake rotation of the shell relative to the bracket, a speed sensor within the shell for sensing the speed of rotation of the shell relative to the bracket, and, an actuator powered by the electrical output of the generator when the speed sensor detects that the speed of rotation of the shell relative to the bracket exceeds a predetermined value, to effect operation of the brake to brake rotation of the shell.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: September 2, 2003
    Assignee: Lucas Western Inc.
    Inventors: Aaron J Roberts, Stephen J Senger, Wallace H Larson, Garreth J Kavlie