Patents by Inventor Hermann Kastner

Hermann Kastner 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).

  • Composite tool unit for chip-removing machining
    Patent number: 4632614
    Abstract: A composite tool unit comprising a tool shank, a tool head a chuck, a drawbar which is slidable in the longitudinal direction of the tool shank and a pulling shank which projects from the tool head. The drawbar and pulling shank are engaged around by the chuck, which is disposed in the tool shank axially to slide between an opening position and a closure position. The tool shank comprises an inner conical face which tapers in the direction of the drawbar and co-operates with outer conical segments disposed on the clamping jaws. The zones of the drawbar 8 and pulling shank 8 of the tool head engaged around by the chuck have respective projections.
    Type: Grant
    Filed: July 29, 1983
    Date of Patent: December 30, 1986
    Assignee: Gerhard Rall
    Inventors: Gerhard Rall, Gunther Hertel, Karl G. Hertel, Hermann Kastner