Patents by Inventor Barry S. Ballew

Barry S. Ballew 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).

  • Disk for open end spinning
    Patent number: 5551226
    Abstract: A disk for use in a bearing assembly of an open end spinning machine having four disks arranged in two pairs and which operate at up to 15,000 RPM's while the rotor shaft turns at up to 125,000 RPM's. The disk pairs are arranged to form a wedge shaped gap supporting the shaft of a spinning rotor for rotation. Each disk comprises a metallic hub which mounts a synthetic ring. The synthetic ring has a spinning rotor contact surface comprising a shoulder arranged atop a helically disposed rib which extends around and across the contact surface. The shoulder imparts an axial thrust against the spinning rotor during operation of the spinning machine.
    Type: Grant
    Filed: September 1, 1995
    Date of Patent: September 3, 1996
    Assignees: Richard M. Keir, William L. Brigham, Jr.
    Inventors: Richard M. Keir, William L. Brigham, Jr., Barry S. Ballew, Cam W. Abshire