Patents by Inventor Delmar O. Barton

Delmar O. Barton 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).

  • In-line chopper to trim backbone of multiple page signatures collated on an inserter
    Patent number: 5033727
    Abstract: The backbone portions of multiple page documents are trimmed by a chopper unit on a collating conveyor of an envelope inserter machine downstream of a supply station from which the documents are transferred to the conveyor, in order to establish collated sets of separated sheets onto which additional single insert sheets are added from other supply stations.
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: July 23, 1991
    Assignee: Metromail Corporation
    Inventors: Richard Szewczyk, Delmar O. Barton
  • Phase controlled gripper operating system for collator
    Patent number: 4511130
    Abstract: The phase relationship of gripper jaw operation to gripper arm travel is adjustable in a collator to obtain proper sheet release during gripper arm travel. At least two trip elements actuate the jaw operating mechanism at adjusted phase locations of the gripper arm while a stop engageable with the operating mechanism limits jaw opening movement.
    Type: Grant
    Filed: July 28, 1983
    Date of Patent: April 16, 1985
    Assignee: Metromail Corporation
    Inventors: Delmar O. Barton, Loran R. Simpson