Adjustable terminal attachment for fence rails

Claim 1

AN ADJUSTABLE TERMINAL DEVICE FOR JOINING A FIRST TUBULAR MEMBER HAVING AN INWARDLY FLANGED LONGITUDINAL SLOT TO A SECOND TUBULAR MEMBER HAVING AN OPENING IN ONE SIDE COMPRISING BOLT MEANS POSITIONED WITHIN SAID SECOND TUBULAR MEMBER AND HAVING ITS THREADED END EXTENDING THROUGH SAID OPENING THEREIN, A BRACKET MEMBER HAVING AN OPENING FOR RECEIVING THE EXTENDED END OF SAID BOLT MEANS EXTERIORLY OF SAID SECOND TUBULAR MEMBER, MEANS FOR TIGHTENING ALONG THE THREADS OF SAID EXTENDED END FOR CLAMPING SAID BRACKET MEMBER TO SAID SECOND TUBULAR MEMBER, MEANS FOR PREVENTING ROTATION OF SAID BOLT MEANS DURING SAID TIGHTENING, A CLAMP MEMBER POSITIONED WITHIN SAID FIRST TUBULAR MEMBER AND HAVING A TAB PORTION FOR ENGAGING THE FLANGES OF SAID LONGITUDINAL SLOT TO PREVENT ROTATION OF SAID CLAMP MEMBER, SAID BRACKET MEMBER HAVING A TONGUE FOR EXTENDING BETWEEN A PORTION OF SAID CLAMP MEMBER AND THE INTERIOR EDGES OF SAID FLANGES, AND MEANS FOR TIGHTENING SAID CLAMP MEMBER TOWARDS SAID INTERIOR EDGES TO THEREBY CLAMP SAID TONGUE THEREBETWEEN, WITH SAID TONGUE HAVING AT LEAST ONE CURVED EDGE TO ENABLE SAID FIRST TUBULAR MEMBER TO EXTEND ANGULARLY WITH RESPECT TO SAID TONGUE.