VERBINDER ZUM VERBINDEN ZWEIER FUER FENSTER- UND TUERRAHMEN, WAENDE, GERUESTE, U.DGL. BESTIMMTER PROFILE

摘要

A device for joining the frames of structural units which are structural units having undercut grooves. The device is provided engages itself in these grooves, and is preferably in the form of a spindle consisting of two parts which rotate with respect to each other on a common threaded shaft or axis. By rotating the defice each of the two parts anchors itself firmly into the undercut grooves in the frames which may be metal sections thus holding the frames together.