Patents by Inventor Russel G. Perkins, Jr.

Russel G. Perkins, 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).

  • Patent number: 4691878
    Abstract: A mechanism and method for folding the wing of a tilt-rotor aircraft, hav a rotatable load bearing member cooperatively disposed between a high point of the fuselage and the tilt-rotor wing, and a plurality of locking, load bearing pin joints disposed between the fuselage and the tilt-rotor wing, concentric to the rotatable load bearing member, and wherein the tilt-rotor wing may be stored by rotating the tilt-rotor wing, as a single segment, about the rotatable load bearing member, to a position substantially parallel to the fuselage, and wherein the wing may be locked in the flight configuration and the storage configuration with the same pin joints.
    Type: Grant
    Filed: November 6, 1985
    Date of Patent: September 8, 1987
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: John C. Vaughan, Russel G. Perkins, Jr.