Patents by Inventor Lothar Schroder

Lothar Schroder 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).

  • Cutting and grooving device for paper and cardboard webs
    Patent number: 4730529
    Abstract: A cutting or grooving device for paper or cardboard webs, comprising at least two rotatably driven shafts having at least one tool carrier for a cutting or grooving tool arranged thereon, the tool carrier having at least one radially movable chuck adapted to be brought into engagement with the shaft, and an actuating device for the chuck adapted to be controlled from outside the shaft, the chuck being actuable magnetically via a current supply.
    Type: Grant
    Filed: September 10, 1986
    Date of Patent: March 15, 1988
    Assignee: Peters Maschinenfabrik GmbH
    Inventor: Lothar Schroder