Patent ID: 8136329

Claim:
A modular tower structure, comprising: a plurality of sections, the sections comprise a plurality of panels; the panels comprising a curved or arcuate shape, the panels comprising vertical edges and horizontal edges; a vertical connection to connect or secure the panels at the vertical edges of the panels and form the sections, wherein the sections have a generally circular shape; the vertical connection comprising an interior vertical friction plate positioned over a seam between adjacent panels and an exterior vertical friction plate positioned over the seam between the adjacent panels, nuts on an exterior side of the panels that receive threaded studs passing through holes in the interior vertical friction plate, the panel, and the exterior vertical friction plate, and the nuts of the vertical connection hold anti-rotation nut tabs; a horizontal connection to connect or secure the sections at the horizontal edges of the panels; and the horizontal connection comprising an interior friction plate that covers a seam between the adjacent sections, and an exterior friction plate that covers the seam between the adjacent sections, and nuts on an exterior side of the panels that receive threaded studs passing through holes in the interior horizontal friction plate, the panels, and the exterior horizontal friction plate; and the nuts of the horizontal connection hold anti-rotation nut tabs.