Patent ID: 7930857

Claim:
A prefabricated structure, comprising: a shell including a shell frame comprising: a floor support including: a first pair of floor beams extending lengthwise along the shell, a second pair of floor beams extending between and transverse to the first pair of floor beams, and a floor joist extending between and transverse to the floor beams and arranged between the second pair of floor beams; a roof support including: a first pair of roof beams extending lengthwise along the shell, and a second pair of roof beams extending between and transverse to the first pair of roof beams, a roof joist extending transverse to and between the first pair of roof beams and arranged between the second pair of roof beams; and a plurality of columns extending between the floor support and the roof support; an extension deployable from the shell, the extension including an extension frame comprising: a floor support including: a main floor beam extending lengthwise along the extension, a pair of extension floor beams extending from the main floor beam toward the shell, a wall base extending widthwise toward the shell, and an extension joist extending from the main floor beam toward the shell; a roof support including: a pair of roof beams extending lengthwise along the shell, and a pair of roof joists extending between and transverse to the pair of roof beams; and a plurality of columns extending between the floor support and the roof support; a ledge extending transversely from a roof beam of the extension toward the shell, the ledge being aligned with the roof joist of the shell frame and the wall base; a column extending between the wall base and the ledge; and one or more rollers connected with the ledge and biased against the roof joist; and a floor panel connected with the shell by a hinge to provide a floor for the extension; wherein the floor panel is undeployed when the extension is held in place within the shell; wherein as the extension is deployed, the floor panel pivots at the hinge; and wherein when the extension is deployed, the floor panel is supported between the main floor beam and the shell.