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Claim 1

AN IMPROVED TOGGLE BOLT COMPRISING: A ONE-PIECE NUT STRUCTURE CONSISTING OF AN ELONGATED INTEGRAL SHEET OF SPRING METAL HAVING A CENTRAL THREADED OPENING AND INCLUDING PAIRS OF TRANSVERSE SLOTS EXTENDING INWARDLY ADJACENT TO OPPOSITE SIDES OF SAID OPENING TO DEFINE OPPOSED CENTRAL TABS AND PAIRS OF LONGITUDINAL EDGE TABS FOR SAID SHEET, SAID CENTRAL AND EDGE TABS BEING BENT ABOUT FIRST AND SECOND PARALLEL FOLD LINES IN DIRECTIONS UPWARDLY AND TOWARDS EACH OTHER TO DEFINE A CHANNEL STRUCTURE HAVING SUBSTANTIALLY PARALLEL SIDEWALLS, SAID SLOTS CONSTITUTING VERTICAL CUTS IN OPPOSITE CHANNEL WALLS, THE FLOOR PORTIONS OF SAID CHANNEL STRUCTURE BETWEEN SAID PAIRS OF LONGITUDINAL EDGE TABS ON OPPOSITE SIDES OF SAID CENTRAL THREADED OPENING BEING INITIALLY CO-PLANAR AND ADAPTED TO BE RESILIENTLY BENT DOWNWARDLY ABOUT TRANSVERSE FOLD LINES TO DEFINE ARMS SO THAT SAID SLOTS ARE WIDENED OUT TO SUBSTANTIALLY NINETY DEGREE ANGLES WHEN SAID ARMS ARE HELD IN A VERTICALLY DOWNWARDLY EXTENDING POSITION; AND A SCREW RECEIVED IN SAID THREADED OPENING SO THAT SAID ARMS LIE ADJACENT TO OPPOSITE SIDES OF SAID SCREW IN PARALLEL RELATIONSHIP THERETO, WHEREBY SAID CHANNEL STRUCTURE AND SCREW MAY BE PASSED THROUGH AN OPENING AND SAID ARMS RELEASED SO THAT THEY FLEX TOWARDS THEIR ORIGINAL POSITIONS, SUBSEQUENT TIGHTENING OF SAID SCREW DRAWING SAID CHANNEL STRUCTURE AGAINST THE PERIPHERY OF SAID OPENING TO COMPLETE UNBENDING OF SAID ARMS TO POSITIONS IN WHICH THE EDGES OF SAID TABS DEFINING SAID VERTICAL CUTS ENGAGE EACH OTHER TO RESIST FURTHER UNBENDING MOVEMENT OF SAID ARMS, THE EDGES OF THE CENTRAL AND LONGITUDINAL TABS INCLUDING OPPOSING BEADED PORTIONS TO FACILITATE THE ENGAGEMENT OF SAID EDGES.