Loose-leaf binder

Claim 1

A LOOSE-LEAF BINDER COMPRISING A BASE SECTION AND A LOCKING SECTION, SAID BASE SECTION COMPRISING A FLAT BODY HAVING OPPOSED LONGITUDINAL EDGES RING PORTIONS AT LONGITUDINALLY SPACED INTERVALS ADJACENT ONE OF SAID LONGITUDINAL EDGES EXTENDING UPWARDLY AND INWARDLY THEREFROM, A CHANNEL FORMATION ALONG THE OTHER OF SAID LONGITUDINAL EDGES, SAID LOCKING SECTION BEING MOUNTED FOR BOTH LONGITUDINAL MOVEMENT AND TRANSVERSE OSCILLATION ON SAID BASE SECTION, SAID LOCKING SECTION COMPRISING AN ELONGATED ROD INSERTED THROUGH SAID SLOT AND DISPOSED IN SAID CHANNEL FORMATION FOR OSCILLATION ABOUT ITS AXIS AND AXIAL LONGITUDINAL SLIDING MOVEMENT THEREIN, RING PORTIONS HAVING INNER ENDS CONNECTED TO SAID ROD AT LONGITUDINALLY SPACED INTERVALS CORRESPONDING TO THE LONGITUDINAL SPACING OF SAID RING PORTIONS ON SAID BASE SECTION BODY AND EXTENDING UPWARDLY AND INWARDLY THEREFROM, SAID LAST-NAMED RING PORTIONS EXTENDING THROUGH SLOTS IN SAID CHANNEL FORMATIONS PROVIDED AT SIMILARLY LONGITUDINALLY SPACED INTERVALS THEREALONG AND HAVING TRANSVERSE AND LONGITUDINAL PORTIONS THAT PERMIT TRANSVERSE SWINGING OF THE ROD-CARRIED RING PORTIONS UPON OSCILLATIOIN OF SAID ROD AND LONGITUDINAL MOVEMENT OF SAID RING PORTIONS IN SAID CHANNEL FORMATION UPON AXIAL LONGITUDINAL SLIDING MOVEMENT OF THE ROD TO BRING SAID RING PORTIONS INTO AND OUT OF COOPERATION WITH THE RING PORTIONS ON THE BODY OF THE BASE SECTION, SAID LONGITUDINAL PORTIONS OF SAID SLOTS COOPERATIONG WITH THE INNER ENDS OF SAID RING PORTIONS WHEN THE ROD IS MOVED TO ITS INDICATED AXIAL POSITION TO LOCK SAID ROD FROM FURTHER OSCILLATING MOVEMENT, SAID COOPERATING RING PORTIONS HAVING EXTREMITIES WHICH ARE OF REDUCED THICKNESS TO MOVE INTO OVERLAPPING RELATIONSHIP BY PROPER SWINGING AND LONGITUDINAL MOVEMENT OF SAID ROD IN THE CHANNEL FORMATION, SAID OVERLAPPING EXTREMITIES HAVING COOPERATING INTERFITTING GROOVES AND RIBS EXTENDING TRANSVERSELY THEREOF, SAID ROD HAVING A TRANSVERSELY EXTENDING HANDLE FORMATION ON ONE END THEREOF AND SAID BASE HAVING A LOCKING MEANS ON THE CORRESPONDING END THEREOF ENGAGED BY SAID HANDLE FORMATION SIMULTANEOUSLY WITH THE OVERLAPPING OF THE RING PORTIONS.