20100011705 | Column segment - A column segment comprising a body having at least one external channel, an upper protrusion extending from a top side of the body, and a lower protrusion extending from a bottom side of the body, wherein the at least one external channel further comprises an outer angled wall arranged to receive a securing means and direct said securing means through the at least one external channel, wherein the upper protrusion includes a domed portion and a plurality of locating slots, wherein the lower protrusion includes a domed recess and a plurality of projections, and wherein a first column segment is stackable with a second column segment by the domed portion and the locating slots of the first column segment matingly engaging with the domed recess and the projections of the second column segment. | 01-21-2010 |