Patents by Inventor Roger H. Amerson

Roger H. Amerson 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).

  • Load/unload apparatus for disc-like workpieces
    Patent number: 4648774
    Abstract: Horizontally and vertically actuable apparatus for loading/unloading workpieces from a work station. The workpiece holder is contained on a driven workpiece holding tower having in one embodiment a laterally floating bearing coupled to an endless drive assembly whereby up/down motion is imparted relative to a controlled rotary motion in one direction. Horizontal motion is controlled via a driven endless notched belt and associated magnetic transducing and counting apparatus for determining relative horizontal position. Alternative embodiments of a driven pivoting roller arm and a driven lead screw are also disclosed for imparting respective vertical and horizontal motion.
    Type: Grant
    Filed: September 20, 1985
    Date of Patent: March 10, 1987
    Assignee: Methods, Inc.
    Inventors: John A. Dorumsgaard, Roger H. Amerson
  • Load/unload apparatus for disc-like workpieces
    Patent number: 4569625
    Abstract: Horizontally and vertically actuable apparatus for loading/unloading workpieces from a work station. The workpiece holder is contained on a driven workpiece holding tower having in one embodiment a laterally floating bearing coupled to an endless drive assembly whereby up/down motion is imparted relative to a controlled rotary motion in one direction. Horizontal motion is controlled via a driven endless notched belt and associated magnetic transducing and counting apparatus for determining relative horizontal position. Alternative embodiments of a driven pivoting roller arm and a driven lead screw are also disclosed for imparting respective vertical and horizontal motion.
    Type: Grant
    Filed: July 2, 1985
    Date of Patent: February 11, 1986
    Assignee: Methods, Inc.
    Inventors: John A. Dorumsgaard, Roger H. Amerson