Patent ID: 6997495

Claim:
A mobile assembly hall which converts between: a. a trailer having: (1) a trailer front wall and an opposing trailer rear wall; (2) a trailer roof extending between the trailer front wall and the trailer rear wall; (3) a trailer floor having floor sides extending between the trailer front wall and trailer rear wall, the trailer floor being at least substantially horizontal; (4) wheels beneath the trailer floor whereby the trailer may be rolled between locations; (5) at least substantially vertical trailer sidewalls extending between the trailer front wall and trailer rear wall and also between the trailer roof and trailer floor, the trailer sidewalls being pivotable into an unfolded state wherein the trailer sidewalls are oriented at least substantially horizontally; and b. an assembly hall wherein: (1) the trailer roof has ceiling extensions extending laterally outwardly from its opposite sides, wherein the trailer roof and ceiling extensions combine to define an assembly hall roof; (2) the trailer floor has floor extensions extending laterally outwardly from its floor sides, wherein (i) the trailer floor and floor extensions combine to define an assembly hall floor, (ii) the floor extensions bear railings which bound at least a portion of the floor extensions, the railings being defined by elongated beams spaced above the floor extensions; (iii) the floor extensions are pivotable into a folded state in which the floor extensions are oriented at least substantially vertically, and (iv) the railings remain in fixed relation to the floor extensions when the floor extensions are pivoted into the folded state; (3) at least one of the ceiling extensions and the floor extensions is defined by the trailer sidewalls pivoted into the unfolded state.