Patents by Inventor Karl-Heinz Polzer

Karl-Heinz Polzer 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: 5044624
    Abstract: A bearing arrangement for a pressure roller of a printer means in whicht he pressure roller equipped with an elastically deformable surface is fixed in wall parts with rolling bearings at two bearing locations and presses axially and in a radial direction against a coveyor drum with a given pressing power. Of the bearings at both bearing locations, respectively one of the rolling bearings is rigidly arranged in an identically formed bearing housing that comprises self-holding securing elements for the axial fixing of the bearing housing in a recess of the allocated wall part. A locking ring for axially fixing of a bearing neck of the pressure roller in the bearing housing is provided at one bearing location. The corresponding bearing neck at the other bearing location rotates with radial play. The bearing arrangement is suitable for roller pairs that, arranged following one another, for the conveying path of a printer means.
    Type: Grant
    Filed: August 24, 1990
    Date of Patent: September 3, 1991
    Assignee: Siemens Aktiengesellschaft
    Inventors: Rainer Haus, Karl-Heinz Polzer