Patents Assigned to Integral Data Systems, Inc.
  • Sheet-feed tractor providing pin or friction feed
    Patent number: 4454975
    Abstract: A sheet-feed tractor of the type that includes a belt with pins for advancing edge-perforated paper is provided with an extension on its web-retention door for mounting an idler roller that is used for friction feed of paper that does not have edge perforations. A drive roller is provided opposite the idler roller on a drive shaft that also is used to drive the belt containing the pins. As a consequence, paper located between the drive and idler rollers is advanced when the drive shaft is rotated.
    Type: Grant
    Filed: July 7, 1982
    Date of Patent: June 19, 1984
    Assignee: Integral Data Systems, Inc.
    Inventor: Neil A. Rosenberg