Patents by Inventor Juanita E. Burt

Juanita E. Burt 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).

  • Patent number: 5002265
    Abstract: A variable height work holder for holding a work piece on a work table, such as a machine tool table, the table having a tie down bolt upwardly extending therefrom, the device including a heel member having an upwardly extending thick wall tubular portion with an upwardly spiraled upper surface defined by a series of steps, a pin affixed to the heel member coaxially of the tubular portion and an elongated clamping bar having an opening adjacent the inner end thereof slidably receiving the pin, the portion adjacent the outer end being configured to engage a work piece, the clamping bar having, intermediate the ends, a portion for receiving a tie down bolt therethrough, the spiraled stepped upper surface of the heel tubular portion providing means for supporting the inner end of the clamping bar at variable heights with respect to the work table.
    Type: Grant
    Filed: April 10, 1990
    Date of Patent: March 26, 1991
    Inventors: Wayne E. Burt, Juanita E. Burt