Patent ID: 7464509

Claim:
A security wall comprising: a frame having parallel horizontal beams, and vertical posts matingly engaging the beams with interlocking tabs and slots; each beam having a slat, opposite first and second beam ends, a transverse ledge along the length of the slat and having holes at the beam ends; each post having a front, a back opposite the front and opposite sides therebetween; a side corner being defined by the sides and the front of the vertical posts; a back corner being defined by the sides and the back of the vertical posts; tie rods matingly engaging two of the beams; each tie rod engaging beams located in opposite wall sections and having a rod, and opposite curved rod ends comprising a first portion curving away from the rod and engaging the hole of the ledge, and a second portion curving away from the first section and being parallel to the plane of the ledge; a wall section being formed by two of the posts and at least two beams interlocking to the two posts; inner and outer frame corners forming from the intersection of two wall sections; a clip having a transverse plate, a top plate connecting to the transverse plate, an inner bore in the top plate, and an outer bore in the top plate being aligned with one of the holes in the ledge and matingly engaging a first tie rod; wherein the slots further comprise at least one side slot being located at each side corner, at least one back slot being located at each back corner, and at least one front slot being located in the front between the opposite side corners; and wherein one of the tie rods connects the inner frame corner with the outer frame corner.