Patent ID: 7475514

Claim:
A structure that can be folded and unfolded to construct a building, including horse stables, having frames made from welded sections and covered with materials capable of receiving mechanical structures including doors, windows and ventilators, and capable of being covered by a roof, wherein the structure has a weight and comprises: a rigid front wall, a rigid rear wall and two folding lateral walls connecting the front wall and the rear wall to form a parallelepipedal volume after deployment and installation of the structure; wherein each of the lateral walls includes a plurality of joints located on a central vertical joint axis and on two secondary vertical joint axes provided on either side of the central joint axis, and four rectangular leaves having the same height and which can be folded accordion-style; wherein the distance between the central joint axis associated with each of the lateral walls remains constant; and wherein the structure includes structure attachment points which support the weight of the structure, wherein two of the structure attachment points are located on each of the lateral walls, and wherein the two structure attachment points are positioned on top portions of the structure at locations which are symmetrical relative to the central joint axis; in combination with a beam coupled with the structure attachment points on the lateral walls, for automatically folding and unfolding the structure responsive to the weight of the structure.