Patent ID: 7100332

Claim:
A modular building system, comprising: a basic modular unit, said basic modular unit comprising: a main floor section comprised of at least one floor support assembly; said at least one floor support assembly includes a square frame having a pair of V-shaped braces with each arm of each V-shaped brace pivotally attached to a corner of the square frame, said pair of V-shaped braces extending inwards and downwards from the square frame, vertices of said V-shaped braces including a pair of brackets that are bolted together at a nadir, said at least one floor support assembly defining an inverted pyramidal shape; at least one corner section, said at least one corner section having two wall frames and at least one hinge pivotally connecting the two wall frames the at least one corner section further having a top and a bottom, the bottom of the at least one corner section being mounted to the main floor section; at least one roof support section having two end frames and a central support frame pivotally connected together, said at least one roof support section being supported by and interconnected to the top of the at least one corner section; and at least one roof panel assembly section having two roof panel frames pivotally connected to each other, said at least one roof panel assembly section being supported by and interconnected to the at least one roof support section; whereby an interior perimeter may be defined by said basic modular unit and two or more of said basic modular units may be connected to each other in various patterns to form an expanded building structure in any desired configuration; and wherein each of said at least one floor support assembly, said at least one corner section, said at least one roof support section, and said at least one roof panel assembly section are foldable for transport and storage, and may be unfolded for assembly.