Molded plastic loose leaf binders

Claim 1

A LOOSE-LEAF BINDER COMPRISING A RECTANGULAR-SHAPED PLASTIC BODY INCLUDING AN ELONGATED RECTANGULAR-SHAPED BACK PORTION AND RECTANGULAR SIDE COVER MEMBERS, SAID BACK PORTION AND COVER MEMBERS BEING MOLDED TOGETHER, A PAIR OF RIVETS WITH HEADS EMBEDDED IN THE MATERIAL OF THE BACK PORTION, SAID RIVITS HAVING TRANSVERSE HOLES IN THE SHANKS THEREOF, A FLATTENED TUBULAR PLATE HAVING A CONCAVE LOWER WALL AND A CONVEX UPPER WALL, SAID CONCAVE LOWER WALL HAVING A PAIR OF LONGITUDINALLY SPACED HOLES THEREIN, AND SAID CONVEX UPPER WALL HAVING A PAIR OF TRANSVERSELY SPACED HOLES DISPOSED THEREIN ADJACENT EACH END THEREOF IN VERTICAL ALIGNMENT WITH THE SIAD LONGITUDINALLY SPACED HOLES IN THE SAID CONCAVE LOWER WALL, THE CONCAVE LOWER WALL OF SAID PLATE BEING SECURED IN CONTACT WITH THE INNER WALL OF SAID BACK PORTION BY THE SAID SHANKS OF SAID RIVETS EXTENDING UPWARDLY THROUGH THE SAID LONGITUDINALLY SPACED HOLES THEREIN IN FRICTIONAL ENGAGEMENT WITH WALLS DEFINING SAID HOLES, AND SPLIT RINGS EXTENDING THROUGH SAID PAIR OF TRAVESELY SPACED HOLES IN THE SAID CONVEX UPPER WALL AND THE TRANSVERSE HOLE IN THE RIVET SHANKS EXTENDING UP THE LONGITUDINALLY SPACED HOLES IN THE SAID CONCAVE LOWER WALL FOR RELEASABLY HOLDING LEAVES IN POSITION BETWEEN THE COVER MEMBERS OF THE BODY.