Patents by Inventor Frank Bratschi

Frank Bratschi 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).

  • Machine tool having a workpiece table
    Patent number: 8746667
    Abstract: A machine tool having a machine frame and a workpiece table. It is provided that the workpiece table (5), on one of its sides (14), is held on the machine frame (2) by a holding device (4), the holding device (4) having at least two holding elements (6, 7), which are spaced apart from one another on the said side (14) of the workpiece table (5) and which are disposed at differing height positions (9, 10), such that an upper and a lower holding element (6, 7) is realized, and at least one of the holding elements (6, 7) being equipped with at least one piezo actuator (24) for altering its length and, associated therewith, influencing the position of the workpiece table.
    Type: Grant
    Filed: February 28, 2012
    Date of Patent: June 10, 2014
    Assignee: Mikron Agie Charmilles AG
    Inventors: Frank Bratschi, Jan Konvicka, Markus Kindler
  • MACHINE TOOL HAVING A WORKPIECE TABLE
    Publication number: 20120223469
    Abstract: A machine tool having a machine frame and a workpiece table. It is provided that the workpiece table (5), on one of its sides (14), is held on the machine frame (2) by a holding device (4), the holding device (4) having at least two holding elements (6, 7), which are spaced apart from one another on the said side (14) of the workpiece table (5) and which are disposed at differing height positions (9, 10), such that an upper and a lower holding element (6, 7) is realized, and at least one of the holding elements (6, 7) being equipped with at least one piezo actuator (24) for altering its length and, associated therewith, influencing the position of the workpiece table.
    Type: Application
    Filed: February 28, 2012
    Publication date: September 6, 2012
    Applicant: MIKRON AGIE CHARMILLES AG
    Inventors: Frank Bratschi, Jan Konvicka, Markus Kindler