Patents by Inventor Siegfried Oberndörfer

Siegfried Oberndörfer 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).

  • Patent number: 9360039
    Abstract: The invention relates to a cage nut (1) having a retaining device, and to a method for producing the same. The cage nut (1) comprises a nut (4) having a radially protruding rectangular flange (5) and a threaded sleeve-like seat (6) for a screw. A retaining means (7) having a through-opening (8), through which the sleeve-like screw seat (6) passes, engages in a bracket-like manner over the rectangular flange (5) of the nut. A retaining collar (9), which surrounds the sleeve-like screw seat (6) of the nut (4), is supported on the retaining means (7) in the region of the through-opening (8). The retaining collar (9) is one-piece and has first and second cover elements (10, 11) covering the through-opening (8) of the retaining means (7) on both sides. The cover elements (10, 11) are mechanically connected via a connecting bush (12) concentrically adjoining the screw seat (6). The connecting bush (12) is radially spaced from the through-opening (8).
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: June 7, 2016
    Assignees: Ruia Global Fasteners AG, GM Global Technology Operations LLC.
    Inventors: Thomas Endt, Rainer Krauss, Siegfried Oberndörfer, Stefan Neuhäuser
  • Publication number: 20130326860
    Abstract: The invention relates to a cage nut (1) having a retaining device, and to a method for producing the same. The cage nut (1) comprises a nut (4) having a radially protruding rectangular flange (5) and a threaded sleeve-like seat (6) for a screw. A retaining means (7) having a through-opening (8), through which the sleeve-like screw seat (6) passes, engages in a bracket-like manner over the rectangular flange (5) of the nut. A retaining collar (9), which surrounds the sleeve-like screw seat (6) of the nut (4), is supported on the retaining means (7) in the region of the through-opening (8). The retaining collar (9) is one-piece and has first and second cover elements (10, 11) covering the through-opening (8) of the retaining means (7) on both sides. The cover elements (10, 11) are mechanically connected via a connecting bush (12) concentrically adjoining the screw seat (6). The connecting bush (12) is radially spaced from the through-opening (8).
    Type: Application
    Filed: December 16, 2011
    Publication date: December 12, 2013
    Inventors: Thomas Endt, Rainer Krauss, Siegfried Oberndörfer, Stefan Neuhäuser