FOLIEN- UND GEWEBEBEFESTIGUNGSELEMENTENPAAR MIT OEFFNENDER HUELL- UND QUERSCHNITTSSTARRER KERNKLEMMENPROFILLEISTE, INSBESONDERE ALS NAHTERSATZ

摘要

A holder, binder and fastener uses a parallelogram folding mechanism for plastic or woven materials. Small metal holding bars which may be made of wire or could be tubular, (5, 6, 7), are pulled open from their diagonal closed position to their horizontal open position for insertion of materials or documents along a central spine.