Signal transmission coupling device

Claim 1

IN A DEVICE OF THE CLASS WHEREIN A PLURALITY OF PREDETERMINED SIGNALS ARE COUPLED BETWEEN SPACED-APART AND RELATIVELY ROTATING SIGNAL COUPLING ELEMENTS, THE COMBINATION COMPRISING: A FIRST PLURALITY OF SAID ELEMENTS MOUNTED ALONG AN AXIS AND EACH INCLUDING A RING-SHAPED SIGNAL-COUPLING PORTION PRESENTING A FIRST FACE FACING IN ONE AXIALLY DIREC TION AND A SPACING PORTION EXTENDING AXIALLY FROM THE OUTER PERIPHERY OF SAID SIGNAL-COUPLING PORTION AND ENGAGING THE ADJACENT ONE OF SAID FIRST ELEMENTS; A SECOND PLURALITY OF SAID ELEMENTS MOUNTED ALONG SAID AXIS AND EACH INCLUDING A CIRCULAR SIGNAL-COUPLING PORTION FITTING LOOSELY WITHIN THE SPACING PORTION OF ONE OF SAID FIRST ELEMENTS AND PRESENTING A SECOND FACE CONFRONTING ONE OF SAID FIRST FACES, EACH SECOND ELEMENT ASLO INCLUDING A SPACING PORTION EXTENDING LOOSELY THROUGH THE CENTRAL OPENING OF SAID ONE FIRST ELEMENT AND ENGAGING THE ADJACENT SECOND ELEMENT; EACH OF SAID FIRST ELEMENTS HAVING A PORTION FORMED OF MATERIAL THAT IS INSULATING WITH RESPECT TO SAID SIGNALS SUCH THAT THE ONE OF SAID SIGNALS THAT IS PASSED BY EACH FIRST ELEMENT IS ISOLATED FROM THE ADJACENT FIRST ELEMENTS; EACH OF SAID SECOND ELEMENTS HAVING A PORTION FORMED OF MATERIAL THAT IS INSULATING WITH RESPECT TO SAID SIGNALS SUCH THAT THE ONE OF SAID SIGNALS THAT IS PASSED BY EACH SECOND ELEMENT IS ISOLATED FROM THE ADJACENT SECOND ELEMENTS; AND THE AXIAL SPACING BETWEEN EACH ADJACENT PAIR OF FIRST FACES BEING PRECISELY THE SAME AS THE AXIAL SPACING BETWEEN THE CORRESPONDING PAIR OF SECOND FACES, AND ONE PAIR OF CONFRONTING FIRST AND SECOND FACES HAVING A PREDETERMINED AXIAL SPACING, WHEREBY THE AXIAL SPACING BETWEEN EVERY PAIR OF CONFRONTING FIRST AND SECOND FACES IS PRECISELY THE SAME.