Perfections in oscillating rings for removable sheet bindings, characterized in that it comprises two tubular elements joined together by a transverse structure, one of these elements being coplanar to the transverse structure and the other element having a part also coplanar to said structure and joined by an elbow to an arched part, substantially semicircular, which is located in a plane parallel to the transverse structure and forms, for a first position of the ring corresponding to the closure of the binding, a continuous sliding path for perforated sheets strung on said ring, this arched part having a bent end, located in the extension of the other element separated from it by a range that allows the extraction and placement in place of the leaves for a second position of the ring resulting from an oscillation thereof in relation to the transverse structure, oscillation that it goes with the passage of the leaves of one element over the other. (Machine-translation by Google Translate, not legally binding)
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