Orthodontic torquing appliance

Claim 1

A STRUCTURAL SYSTEM FOR EFFECTING TILTING OF A PERSON''S TOOTH COMPRISING, IN COMBINATION, A METAL BAND ADAPTED TO BE MOUNTED AROUND THE TOOTH, A BRACKET AFFIXED TO THE BAND AND ADAPTED TO EXTEND ANTERIORLY OF THE TOOTH, THE BRACKET DEFINING A CHANNEL IN ITS LABIAL ASPECT, AN ARCH WIRE EXTENDING THROUGH THE CHANNEL, MEANS CONNECTED TO THE BRACKET RETAINING THE ARCH WIRE IN THE CHANNEL, THE ARCH WIRE EXTENDING LATERALLY OF THE BRACKET TO ENDS SPACED SUBSTANTIALLY FROM THE BRACKET, MEANS FOR ATTACHING RESPECTIVE ENDS OF THE ARCH WIRE TO TWO OTHER TEETH SPACED FROM SAID TOOTH, THE ARCH WIRE CURVING ARCUATELY BETWEEN ITS ENDS, AND A LENGTH OF RESILIENT WIRE DEFINING INTERMEDIATE ITS ENDS TWO GROUPS OF HELICAL COILS CIRCUMFERENTIALLY OF THE ARCH WIRE, THE GROUPS OF COIL LOOSELY CIRCUMFERENTIALLY ENGAGING THE ARCH WIRE LATERALLY OF AND PROXIMATE TO THE BRACKET, THE RESILIENT WIRE BETWEEN THE GROUPS OF COILS DEFINING A RETURN-BEND LOOP EXTENDING LATERALLY OF THE ARCH WIRE, THE LOOP HAVING A PORTION SUBSTANTIALLY PARALLEL TO THE ARCH WIRE SPACED FROM THE ARCH WIRE, THE RESILIENT WIRE EXTENDING FROM EACH GROUP OF COILS AWAY FROM THE RETURN-BEND LOOP ALONG AND IN SAPCED RELATION TO THE ARCH WIRE TO ENDS OF THE RESILINET WIRE SPACED SUBSTANTIALLY FROM THE GROUPS OF COILS, MEANS SECURING THE ENDS OF THE RESILINET WIRE ARCH TO THE ARCH WIRE, CONFORMANCE OF THE ELONGATE EXTENT OF THE RESILIENT WIRE TO THE CURVATURE OF THE ARCH WIRE TORSIONALLY BIASING THE RESILIENT WIRE BETWEEN ITS ENDS AND THE GROUPS OF COILS TO PRODUCE TORQUING LEVERAGE ON THE TOOTH THROUGH ENGAGEMENT OF SAID PORTION OF THE RETURN-BEND LOOP WITH THE TOOTH WHEN THE SYSTEM IS IN USE EFFECTIVE TO PIVOT THE TOOTH ABOUT THE CONNECTION BETWEEN THE ARCH WIRE AND THE BRACKET.