Patents by Inventor Robert A. Self, Jr.

Robert A. Self, Jr. 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).

  • ROTOR BLADE AND STRUCTURAL SYSTEM FOR COUPLING THE ROTOR BLADE IN A ROTOR HUB
    Publication number: 20150078909
    Abstract: The rotor hub can include a rotor blade; a rotor yoke; a grip member having an inboard portion, an upper extension, and a lower extension; and a rotor blade having a root end coupled to the upper extension and the lower extension of the grip member with a first bolt, a second bolt, and a third bolt. The first bolt is located on a spanwise axis of the rotor blade. The second bolt is offset from the spanwise axis by a first chordwise distance and is offset from the first bolt by a first spanwise distance. The third bolt is offset from the spanwise axis by a second chordwise distance and is offset from the first bolt by a second spanwise distance.
    Type: Application
    Filed: September 16, 2013
    Publication date: March 19, 2015
    Applicant: Bell Helicopter Textron Inc.
    Inventors: Mark A. Wiinikka, Nathan P. Green, Robert A. Self, Jr., John R. McCullough