Patents by Inventor Helmut Kosiollek

Helmut Kosiollek 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).

  • Guiding rail arresting device for motor driven saws
    Patent number: 4026020
    Abstract: A guiding rail arresting device for motor driven hand saws, especially motor chain saws, in which a sword-shaped guiding rail provided with a guiding groove extending in the longitudinal direction of the guiding rail is adapted to be clamped transverse to the plane of said rail against an abutment having associated therewith a counter guiding member for cooperation with the flanks of the guiding groove. The counter guiding member for at least one of the groove flanks is formed by a supporting element adapted when clamping the rail against the abutment automatically to be clamped against the groove flank.
    Type: Grant
    Filed: March 3, 1976
    Date of Patent: May 31, 1977
    Assignee: Andreas Stihl Maschinenfabrik
    Inventors: Klaus Hoppner, Gotz Landwehr, Adolf Wilhelm, Wolfgang Meyer, Gerd Frers, Rolf Lohberg, Dieter Reiff, Karl Forderer, Helmut Kosiollek