Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Components adjustably or collapsibly connected
Reexamination Certificate
2011-06-21
2011-06-21
A, Phi D. (Department: 3633)
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Components adjustably or collapsibly connected
C052S652100, C052S653100, C052S645000, C052S117000
Reexamination Certificate
active
07963084
ABSTRACT:
A synchronously deployable tetrahedral truss beam with orthogonally-hinged diagonals, having uniquely-connected transverse members and folding chordal members, where a plurality of bays can extend and retract in a coordinated manner without need for a deployment canister mechanism or other assembling means. The triangular cross-section truss can be adapted to deploy pre-attached panels or nodally-attached payload components. These triangular beams can be mounted side-by-side with a common chord to create a synchronously deployable trapezoidal cross-section beam or space-frame. Both the triangular and trapezoidal configurations can be adapted to deploy with a prescribed curvature of the longitudinal axis, and form perimeter trusses which can be post-tensioned for maximum structural performance.
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Fletcher James W.
Merrifield Donald
A Phi D.
Donelson Baker
Ramage W. Edward
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