Patents by Inventor Hans J. Mesek

Hans J. Mesek 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).

  • Patent number: 4171735
    Abstract: A safety device for a press and the like machinery includes a safety deflector surrounding a tool carriage reciprocable along a path with respect to a fixed frame. The safety device also includes a limit switch associated with a door that defines part of the safety deflector. First and second contactless switches are located adjacent a work supporting surface and respectively sense the position of opposite surfaces of the workpiece to insure that the workpiece is within limits of the work supporting surface and the safety deflector. The switches are in a circuit leading to a machine clutch for the tool carriage to prevent operation when the door is open or either surface of the workpiece is outside prescribed limits of the deflector and the support surface.
    Type: Grant
    Filed: October 11, 1977
    Date of Patent: October 23, 1979
    Assignee: Rolf Peddinghaus
    Inventors: Jochen Zuhlke, Hans J. Mesek