Patents Assigned to Off Data GmbH
  • Patent number: 5827003
    Abstract: A ring binder having an upper and a lower cover blank joined by a flexible rear blank. The binder has at least two aligning tongues extending from the lower cover blank to the upper cover blank for retaining perforated paper. Each aligning tongue is formed as a leaf spring and has a root section, a center section and a tip section, wherein the sides of the center section being narrower than the root. The binder has U-shaped brackets on the upper cover blank for receiving the aligning tongues. A tie section of U-shaped cross section is attached substantially perpendicular to the root section. The tie section has legs having flanges extending outwardly from the free end of the legs. The aligning tongues are configured to be integral with one of the flanges via a reduced cross section in the lower portion of the aligning tongues.
    Type: Grant
    Filed: July 26, 1996
    Date of Patent: October 27, 1998
    Assignee: Off Data GmbH
    Inventor: Winfried Konig
  • Patent number: 5593184
    Abstract: A one-piece loose-leaf binder cut from a foil-like material. A set of perforations forms a suspension element which is separated from the remainder of the loose-leaf binder and folded back along a fold line, which is parallel to an edge of the loose-leaf binder. The folded suspension element extends beyond each edge of the binder to engage a pair of parallel rails.
    Type: Grant
    Filed: January 3, 1995
    Date of Patent: January 14, 1997
    Assignee: Off Data GmbH
    Inventor: Wolfgang Dengler