Patent ID: 8720125

Claim:
A mobile expandable structure comprising: a body carriage having rotatable wheels mounted thereunder for enabling said body carriage to roll along a surface; a plurality of fixed rigid frame assemblies, each of the fixed rigid frame assemblies having a base attached to said body carriage; a fixed floor panel assembly mounted to said body carriage; a plurality of fixed end wall panel assemblies each mounted to one of the plurality of fixed rigid frames disposed at each of two ends of said expandable structure; a plurality of fixed longitudinal roof supports mounted to said fixed rigid frame assemblies; a fixed roof panel assembly supported by said fixed longitudinal roof supports; at least one foldable roof panel assembly hinged along a longitudinal edge of the fixed roof panel assembly such that said at least one foldable roof panel assembly forms one of two sides of said mobile expandable structure when in a closed position; at least one foldable floor panel assembly hinged along a longitudinal edge of the fixed floor panel assembly such that at least one foldable floor panel assembly is disposed between said at least one foldable roof panel assembly and the plurality of fixed rigid frames when in a closed position; at least one foldable side wall panel assembly hinged along a longitudinal edge of the foldable floor panel assembly such that at least one foldable side wall panel assembly is disposed between the at least one foldable roof panel assembly and the plurality of fixed rigid frames when in a closed position; and at least two foldable end wall panels hinged vertically to said rigid frame assemblies disposed at the two ends of said mobile expandable structure, such that the at least two foldable end wall panel assemblies are disposed between the at least one foldable roof panel assembly and the plurality of fixed rigid frames when in a closed position.