Union square for profiles or tubes cut to mite. (Machine-translation by Google Translate, not legally binding)

摘要

Connection bracket for profiles or pipes cut to miter, able to be introduced in the longitudinal opening of the profiles or tubes and to be opened transversely with respect to the plane of its groove, for which purpose it has been foreseen for the opening and for the transport of the profiles or tubes in the direction of the miter joint a pin capable of being received in an adjusted manner, whose axis is in the plane of the groove and transversely to the longitudinal axis of the junction point and displaced with respect to the center line of the joint. An insertion hole provided in the profile or tube, characterized by at least one hole of several steps to receive a cylindrical pin, for which purpose the mere cousin or the second step, close to the introduction side, corresponds, as far as its step section refers to that of the cylindrical pin, and the following step or steps have a smaller passage section transversely to the plane of the slot, and because the plane the continuous section of the groove of the one-piece connecting bracket extends until a short time before both free ends of the branches, for which purpose a cavity is provided in the inner corner, and in addition, the edge of the internal surfaces of the branches of the joint square is on the internal surface limiting the cavity. (Machine-translation by Google Translate, not legally binding)