Three dimensional pre-fabricated structural elements for building habitation units

Claim 1

A three-dimensional, pre-fabricated structural element for building habitation units comprising a plurality of self-supporting, sectional elements adapted to have standard sizes whereby to be assembled with other similar self-supporting elements to form a residential structure; each of said elements including a floor part and a ceiling part with two interposed wall parts formed integrally with said floor and ceiling parts to produce one of said self-supporting, sectional elements; said floor parts and wall parts together defining a generally rectangular space; each of said sections forming a complete self-supporting, standard size one-quarter portion of a conventional residential room; certain of said floor, ceiling and wall parts being integrally formed with stiffening ribs and certain of said wall parts having door and window apertures formed therein, other non-stiffening ribs being provided integral with said floor and wall parts, said other ribs being shaped to provide support means for differently shaped pieces of furniture; pre-formed passages being provided within said parts of an element to form channels for receiving pipes and electrical wiring for utilities; interengaging fitting means including fastenings formed integrally on the outside of said floor, wall and ceiling parts; said one-quarter sectional elements being adapted to be fastened together, in groups of four to form any one of a number of conventional residential rooms; and a plurality of such assembled rooms being adapted to be assembled together to form a residential complex; said interengaging fitting means being adapted to be readily disengaged and re-engaged, said self-supporting standard size elements being constructed and arranged to be selectively fitted together to form said different types of rooms in said residential complex and said individual elements being removable from one assembly and then interchangeable with one another, whereby the residential pattern of rooms may be selectively rearranged and altered as desired.