Patent ID: 8863444

Claim:
An assembly system for modular building units having a floor and a plurality of walls, said assembly system comprising: a floor platform, capable of supporting the floor and distinct from the floor; a plurality of wall platforms, each capable of supporting one of the plurality of walls, and located distal to the floor platform; and a plurality of hinge assemblies, each having a first end and a second end, each of said ends rotatable around a hinge spaced apart from and external to said floor and said plurality of walls, said first end having a floor plate, said second end having a wall plate, said floor plate being releasably attached to the floor platform, and said wall plate being releasably attached to one of the plurality of walls, said hinge assemblies rotatable about said hinge to at least a first position and a second position when attached to said floor platform and said one of the plurality of walls, wherein, in said first position, the wall and the floor are generally parallel, and in said second position, the wall and the floor are generally perpendicular; wherein, in use, the hinge assemblies can be rotated about said hinge from the first position to the second position by moving the walls in an upwards direction relative to the floor, such that when the wall is rotated onto the floor, the wall rests on the floor.