Patents by Inventor H. L. Carlson

H. L. Carlson 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).

  • Adjustable angle bar assembly for a printing press
    Patent number: 5316199
    Abstract: An adjustable angle bar assembly (10) for a printing press (12) having a support (14), a hollow angle bar (18) pivotally mounted adjacent a longitudinal central portion (34) of the angle bar (18) to the support (14), with the angle bar (18) having a cavity (20) for the passage of air, and a plurality of openings 30 extending through the angle bar (18) and communicating with the cavity (20) for passage of air through the angle bar (18) from the cavity (20) to a web (32) passing over the angle bar (18), and a device for passing the air into the central portion (34) of the angle bar (18) for distribution of the air by the angle bar (18) against the web (32) irrespective of the orientation of the angle bar with respect to said support (14).
    Type: Grant
    Filed: September 18, 1992
    Date of Patent: May 31, 1994
    Assignee: Rockwell International Corporation
    Inventors: Robert E. Hansen, H. L. Carlson