Corner joint between the end portions of two board-like members

A corner joint in a frame which has first and second board-like members that are each comprised of respective end portions, the first member having a long edge and the end portion of the second member having a mortise, the end portion of the first member comprising at least one projecting part which is substantially parallel to the long edge and which engages the mortise, securing means for holding the first and second members together, the securing means comprises a stud, the projecting part and the mortise are each substantially wedge-shaped, the second member has an end face, the end portion of the first member comprises a box-shaped projection which is positioned adjacent the end face, and which has an outer side face together with holes, the corner joint characterized in that the stud has a longitudinal axis and extends through said hole in the box-shaped projection and through the end face of the second member, and the stud intersects the projecting part.