Patent ID: 7823333

Claim:
An assembly of prefabricated panels comprising: a plurality of prefabricated panels each having: a front panel body having an upper end and a lower end; an upper bent section formed toward the upper end of the front panel body, and extending upwardly therefrom to define a coupling recess extending in a longitudinal direction of the panel body, the coupling recess having a bottom flange extending rearward from the front panel body and a rear flange extending upward from a rear end of the bottom flange; an engagement protrusion upwardly protruded from the upper end of the front panel body, the coupling recess being forwardly opened above the engagement protrusion and extending in the longitudinal direction of the panel body, the engagement protrusion, bottom flange, and rear flange forming a securing receptacle; and a lower bent section rearwardly bent from the lower end of the front panel body while extending in the longitudinal direction of the front panel body, the lower bent section having a rear flange extending downward with respect to the lower end of the front panel body and a bottom flange extending forward from a lower end of the rear flange, the lower bent section of an upper panel of the plurality of prefabricated panels being insertable in the coupling recess of a lower panel of the plurality of prefabricated panels, the rear and bottom flanges of the lower bent section of the upper panel nesting in the securing receptacle of the lower panel, the bottom flange of the lower bent section of the upper panel being positioned contiguous the bottom flange of the coupling recess of the lower panel.