Patent ID: 6675540
Filing Date: 2004-01-13
Classification: E04B,E04H

Abstract:
A portable building for human occupancy comprisesan enclosure having a floor, a roof, and sidewalls interconnecting the roof and the floor, the enclosure having opposing longitudinal ends defining its length, the enclosure supported on a plurality of rollers disposed at the longitudinal ends of the enclosure, each roller having an axis, each roller being constructed entirely of metal, the axis of each roller parallel with the axis of the other rollers, the sidewalls of the enclosure comprising a pair of substantially parallel long walls each having opposing ends, the long walls joined at the ends thereof by a pair of substantially parallel short walls, the floor comprising a pair of parallel elongate beams each having opposing ends, an open rectangular steel frame supported on the ends of the elongate beams and fixed thereto, a series of rollers supported on each of the beams, the rollers carried on axles perpendicularly extending from the beams, the axles spaced apart generally equidistantly along each of the beams, the frame comprises a multiplicity of transverse bars fixed at ends thereof to the frame and supported upon the beams, the transverse bars each perpendicular to the beams, a series of steel joists arranged in parallel side-by-side arrangement along the length of the frame, each steel joist having ends fixed to the frame, the steel joists having top surfaces and bottom surfaces, the floor further comprising metal sheeting fixed to the top surfaces of the steel joists creating a substantially flat planar upper surface, plywood sheeting mounted to the upper surface to cover the upper surface completely, thermal insulation disposed in the spaces defined by the steel joists.