Patents by Inventor Ralph H. Backman

Ralph H. Backman 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).

  • Signature stacker employing swingable intercept means driven in a non-linear fashion
    Patent number: 4037525
    Abstract: A signature stacker having an infeed section for receiving a continuous stream of signatures arranged in overlapping fashion to form either compensated or uncompensated bundles having a predetermined and precise number of signatures. Counter means in the infeed section counts each signature in the stream to generate a signal upon accumulation of a predetermined count to activate a retractable stop means which enables a preloaded swingable intercept blade to be abruptly urged into the path of the signature stream which is passing from the infeed conveyor towards a reciprocating blade assembly.
    Type: Grant
    Filed: July 30, 1975
    Date of Patent: July 26, 1977
    Assignee: EDS, Inc.
    Inventors: Christer A. Sjogren, Ralph H. Backman