Patents by Inventor Robert Ammann

Robert Ammann 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).

  • Arrangement for holding yarn packages
    Patent number: 4781333
    Abstract: A package holder for use in winding yarn packages comprises at least one arm adapted to support a bobbin tube and pivotable about a first axis as a yarn package is formed on the tube. The arm is also pivotable about a second axis extending transversely to the first axis to make it possible to install or remove the bobbin tubes or packages. A first member is provided which is movable with the arm during the pivoting movement thereof about the first axis. A second member is engaged by the first member and is so mounted that relative movement of the first and second members occurs during the pivoting movement of the arm about the first axis.
    Type: Grant
    Filed: July 27, 1987
    Date of Patent: November 1, 1988
    Assignee: Maschinenfabrik Rieter AG
    Inventors: Walter Hefti, Urs Keller, Robert Ammann
  • Arrangement for holding yarn packages
    Patent number: 4718615
    Abstract: A package holder for use in winding yarn packages comprises at least one arm adapted to support a bobbin tube and pivotable about a first axis as a yarn package is formed on the tube. The arm is also pivotable about a second axis extending transversely to the first axis to make it possible to install or remove the bobbin tubes or packages. A first member is provided which is movable with the arm during the pivoting movement thereof about the first axis. A second member is engaged by the first member and is so mounted that relative movement of the first and second members occurs during the pivoting movement of the arm about the first axis.
    Type: Grant
    Filed: March 24, 1986
    Date of Patent: January 12, 1988
    Assignee: Maschinenfabrik Rieter AG
    Inventors: Walter Hefti, Urs Keller, Robert Ammann