Uniform Depth Patents (Class 234/48)
  • Patent number: 3963176
    Abstract: A combined selector-coder apparatus is disclosed for selecting one or more edge-notched cards from a stack and for edge coding cards by removing selected teeth. The coding apparatus of this invention comprises an integral part of the card selector and includes knife blades actuated by the code bars used to select cards. When a code bar is displaced, it shifts its associated knife blade which in turn cuts a tooth from an edge-notched card disposed in an adjacent card holder.
    Type: Grant
    Filed: July 17, 1975
    Date of Patent: June 15, 1976
    Assignee: O.K. Partnership
    Inventor: Richard C. O'Brien