Patents by Inventor Helmut Stoeckmann

Helmut Stoeckmann 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).

  • Cone crusher comprising eccentrically driven crushing cone and a means for preventing the entrainment of the crushing cone during no-load operation
    Patent number: 4892257
    Abstract: An improved cone crusher with an eccentrically driven crushing cone, crushing jacket outside of the cone defining a crushing nip therebetween, the cone is driven in an oscillating manner tilting about its vertical axis and is connected to a driven through a universal joint having a one way clutch connected between the joint and a drive shaft with a support for the cone and a cap having a reduced portion which can shear in torsion, and means for holding the cone on a support with controllable force.
    Type: Grant
    Filed: December 15, 1988
    Date of Patent: January 9, 1990
    Assignee: Klockner-Humboldt-Deutz Aktiengesellschaft
    Inventors: Helmut Stoeckmann, Klaus Schuette, Franz-Rudolf Schmitz