Portable building structure

In a portable building comprising a base structure, a roof structure, side walls, a rear wall and a front wall having a door opening into the interior thereof, said base structure and said roof structure comprising frame members and a floor panel and a ceiling panel, respectively, each of said structures having means at the corners of said structures interconnecting said frame members, elongated corner posts of a unitary rigid non-resilient material, extending between the corners of said structures, means at the corners of said structures and on said corner posts removably connectable for interconnecting said corner posts and said structures said corner posts and said frame members having means for removably receiving wall panels in a close-fit relationship, and wall panels removably disposed between said corner posts, said means for removably receiving wall panels including elongated flanges on said corner posts and on said frame members forming panel receiving channels therebetween, said means at the corners of said structure and on said corner posts for interconnecting said corner posts and said structures comprising corner members having sockets at said corners and ends on said corner posts engaged in said sockets in said corner members, and means adjustably interlocking said corner members and said ends for forcing said flanges on said corner posts towards said flanges on said frame members for thereby gripping said panels firmly between said flanges to form a rigid self-supporting portable building, said means for adjustably interlocking also being adapted to selectively release said panels from said flanges to thereby quickly and easily dismantle said portable building.