Patents Assigned to Datamax Bar Code Products Corporation
  • Ribbon roll drive
    Patent number: 5326182
    Abstract: A motor and drive mechanism having a drive hub which positively locks to a core for a ribbon roll, and a drag hub which also positively locks to a core for a ribbon roll. A ribbon roll has a core formed of concentric cylindrical shells separated from one another with a ribbon wound about the outer shell and one or more coding marks are provided on this shell to indicate both the printer control system and, to a visual observer, information specific to the ribbon.
    Type: Grant
    Filed: September 14, 1992
    Date of Patent: July 5, 1994
    Assignee: Datamax Bar Code Products Corporation
    Inventor: Erick E. Hagstrom