Patents by Inventor Douglas Janata

Douglas Janata 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).

  • Translation table with a spring biased dovetail bearing
    Patent number: 6601524
    Abstract: A translation table that has a spring biased dovetail bearing. The table includes a first element with a dovetail groove and a second element with a dovetail bearing located in the groove. The table further includes one or more springs that press the bearing into the groove. The spring force may be selected to eliminate lateral movement between the first and second elements while minimizing the friction of the bearing. The spring force may be varied by a screw(s) that engages the spring(s).
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: August 5, 2003
    Assignee: Newport Corporation
    Inventors: Douglas Janata, Mullard A. Nunnally, Michael Francisco
  • Translation table with a spring biased dovetail bearing
    Publication number: 20020139283
    Abstract: A translation table that has a spring biased dovetail bearing. The table includes a first element with a dovetail groove and a second element with a dovetail bearing located in the groove. The table further includes one or more springs that press the bearing into the groove. The spring force may be selected to eliminate lateral movement between the first and second elements while minimizing the friction of the bearing. The spring force may be varied by a screw(s) that engages the spring(s).
    Type: Application
    Filed: March 28, 2001
    Publication date: October 3, 2002
    Inventors: Douglas Janata, Millard A. Nunnally, Michael Francisco