Patents by Inventor Gary D. Wonacott

Gary D. Wonacott 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).

  • Railway car counter balanced tilting deck
    Patent number: 4248557
    Abstract: An operating mechanism for a hinged deck portion of a vehicle-carrying auto-rack railway car utilizing a first-class lever to counterbalance the deck end portion. A spring load is provided by a Belleville spring pack of novel, compact construction which has a substantially constant spring-force versus deflection curve such that manual manipulation of the hinged deck by operating personnel is facilitated during loading and unloading of the auto-rack car.
    Type: Grant
    Filed: March 1, 1979
    Date of Patent: February 3, 1981
    Assignee: Pullman Incorporated
    Inventors: David J. Roldness, Thomas H. Watson, Gary D. Wonacott