Patents by Inventor Raymond C. Waidmann

Raymond C. Waidmann 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).

  • Positive brake for a vehicle wheel
    Patent number: 4280595
    Abstract: A hand brake for a wheeled vehicle comprises an operating shaft carried within a sleeve affixed to the frame of the vehicle to accommodate axial displacement and rotation of the shaft attendant to shifting the brake between respective braking and non-braking positions. A locking lug on the shaft is adapted to engage and secure a receiving member mounted on one of the vehicle wheels upon rotational and axial movement of the shaft into the braking position, and stops on the shaft cooperative with the sleeve to releasably secure the shaft in the respective braking and non-braking positions.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: July 28, 1981
    Assignee: American Air Filter Company, Inc.
    Inventors: Rayford W. Timms, Raymond C. Waidmann