Acoustically vibrated material cutting and removing devices

Claim 1

AN ACOUSTICALLY VIBRATED MATERIAL TREATING DEVICE INCLUDING IN COMBINATION; A TUBULAR CASING HAVING AN ENERGIZING COIL SUPPORTED BY SAID CASING; AND A REMOVABLE INSERT WHICH INCLUDES AN ELECTROMECHANICAL TRANSDUCER DESIGNED TO TELESCOPE INTO SAID CASING AND TO VIBRATE AT HIGH FREQUENCY AND LOW AMPLITUDE WHEN THE SURROUNDING COIL IS ENERGIZED, A CONNECTING BODY FIXED TO ONE END OF SAID TRANSDUCER AND DESIGNED TO RIGIDLY SUPPORT A WORK TOOL AT THE OUTER END THEREOF, A TUBULAR RETAINER HAVING AN AXIAL BORE THROUGH WHICH THE CONNECTING BODY LOOSELY EXTENDS, SAID TUBULAR RETAINER HAVING A NECK SECTION DESIGNED TO TELESCOPE INTO ONE END OF SAID CASING, A SEALING RING POSITIONED BETWEEN THE NECK SECTION OF SAID RETAINER AND THE ADJACENT INNER SURFACE OF SAID TUBULAR CASING, A SECOND SEALING RING OF COMPLAINT MATERIAL SNUGLY EMBRACING SAID CONNECTING BODY AT APPROXIMATELY THE NODE OF MOTION THEREOF AND DESIGNED TO HAVE SNUG BEARING CONTACT WITH THE INNER SURFACE OF THE RETAINER BORE, SAID SECOND RING AS SUPPORTED BY SAID RETAINER PROVIDING SUBSTANTIALLY THE SOLE DIRECT CONTACT SUPPORT FOR SAID TRANSDUCER AND CONNECTING BODY, AND A GUARD MEMBER LOOSELY TELESCOPING OVER THE OUTER END PORTION OF SAID CONNECTING BODY AND HAVING THE INNER END PORTION THEREOF TELESCOPING INTO THE OPPOSITE END OF SAID TUBULAR RETAINER; SAID INSERT BEING ATTACHABLE AND DETACHABLE AS A UNIT FROM SAID CASING BY INSERTING AND WITHDRAWING THE NECK SECTION OF SAID RETAINER FROM THE END OF SAID TUBULAR CASING.