Patents by Inventor Thaddeus L. Larek

Thaddeus L. Larek 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).

  • Linear actuator with reduced wear guide way
    Patent number: 5029029
    Abstract: A linear actuator for positioning the heads of a disk file relative to tracks on the disks employs a ceramic material having wear properties superior to steel in guide surfaces for guiding a head supporting carriage running on rotary bearings in contact with the guide surfaces. The preferred ceramic material is tetragonally stabilized zirconia.
    Type: Grant
    Filed: November 16, 1990
    Date of Patent: July 2, 1991
    Assignee: International Business Machines Corporation
    Inventors: Michael R. Hatchett, Anthony R. Hearn, John S. Heath, Charles M. Lacey, Thaddeus L. Larek, John R. Reidenbach, Clarence R. Schwieters