Patents by Inventor Karl-Heinz Zettler

Karl-Heinz Zettler 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).

  • Bobbin and core sleeve transport system for a roving frame
    Patent number: 5671596
    Abstract: A roving frame having a suspension carriage track extending through the flyers thereof has a parking rail which can accommodate the full length of the suspension carriage train which removes the full bobbins from the flyer row and on the parking rail, by cooperation with a stationary bobbin/sleeve exchanger or one movable along the parking track, can transfer the full bobbins to a transport track and mount empty core sleeves on the suspension carriage train.
    Type: Grant
    Filed: December 15, 1995
    Date of Patent: September 30, 1997
    Assignee: Zinser Textilmaschinen GmbH
    Inventors: Karl-Heinz Mack, Karl-Heinz Zettler, Hans-Peter Weeger
  • Roving frame with flyers at each work station and with pressing fingers on each flyer operated by a rod extending along a flyer arm offset from the pivot axis of the finger for swinging the finger
    Patent number: 5657623
    Abstract: A roving frame has operating elements which engage rods mounted on a shank of each flyer of a flyer rail transversely to the pivot axis of the rod which is offset from the rod. The pressing fingers are swingable about this axis and can be urged outwardly to clear the bobbins and thus allow bobbin replacement.
    Type: Grant
    Filed: December 13, 1995
    Date of Patent: August 19, 1997
    Assignee: Zinser Textilmaschinen GmbH
    Inventors: Karl-Heinz Mack, Karl-Heinz Zettler, Hans-Peter Weeger, Jorg Hummel