Patents by Inventor Erchard A. Fechner

Erchard A. Fechner 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).

  • Bale level control system for mechanical hopper feeder
    Patent number: 4363585
    Abstract: Apparatus for removing fiber portions from a selected plurality of bales and delivering the fiber to a receiver, such apparatus including a head that is lowered into contact with the top surface of such bales to grasp fibers therefrom. A control system is provided which generates a signal when the head has traveled a predetermined vertical distance toward a bale, and the signal is used to vary the sequence of pick-up or the amount of fiber picked up, from the plurality of bales to assure that the plurality of bales are maintained at substantially even heights during the sequential pick-up of fiber therefrom.
    Type: Grant
    Filed: January 12, 1981
    Date of Patent: December 14, 1982
    Assignee: Automatic Material Handling, Inc.
    Inventors: Alex J. Keller, Erchard A. Fechner, Joseph R. Williams