United States of America As Represented by the Secretary of the Air Force

Jeffery Baur

Darren Hartl

Geoffrey J Frank

Wesley Chapkin

Patrick Walgren

David Seifert

A flexible multi-material structure comprises a plurality of overlapping rings that form a generally circular shape perpendicular to a longitudinal axis of the structure; an internal compliant hollow frame having a circumference corresponding to the generally circular shape of the plurality of rings, the internal frame comprising: a plurality of connection clips wherein each connection clip is attached one of the plurality of rings, the internal frame and connection clips defining a longitudinal spacing between the plurality of rings, each of the plurality of rings is shaped to minimize contact with adjacent rings when the structure is articulated, each ring including a spherical profile along an aft interior region which nests with a forward outer region of an adjacent ring, wherein connections between the rings and the frame allows independent motion of the rings and frame, allowing each ring to pivot about a geometric center of the spherical profile.

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Liberty Township, OH, United States of America

Jeffery Baur