Patents by Inventor Manfred Helfenbein

Manfred Helfenbein 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).

  • Comminuting machine and housing with a rotor journalled in the housing and a tool connected to the housing
    Patent number: 4212432
    Abstract: A comminuting machine includes a rotor which is rotatably journalled about an axis in a housing having at least two parts which are connected by a hinge, with the axis of hinge being parallel to the rotor axis. Each journal bearing of the rotor includes a bearing casing which is arranged to be connected to either one or the other part of the two part housing, so that, during maintenance of the machine the two parts of the housing are swung apart and the rotor with the bearing casing is connected to either one or the other part. In this way access is allowed to either of the parts of the housing and to the rotor for maintenance of the machine.
    Type: Grant
    Filed: September 29, 1976
    Date of Patent: July 15, 1980
    Assignee: Lindemann Maschinenfabrik GmbH
    Inventors: Gunther Bohne, Bernhard Brans, Haribert Hannebauer, Manfred Helfenbein, Jurgen Theobald