Image Number 4 for United States Patent #4186533.
In a modular wall and floor structure, the edges of wall panels have upwardly directed hooks projecting outwardly from their opposite vertical edges. Short lengths of multisided hollow extrusion have a downwardly opening longitudinal slot in each side which slots receive the panel hooks of adjacent panels for connecting such panels to form an exhibit array. Adjacent ends of overhead beams are connected to each other and to the upper ends of the panels by downwardly directed beam hooks received in upper longitudinal slots in the lengths of extrusion. The lower portions of the connected or unconnected panels can be clamped between modular floor components.
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