Sound isolating misalignment coupling

Claim 1

IN COMBINATION WITH APPARATUS FOR TRANSMITTING POWER BETWEEN ROTATING SHAFTS WHEREIN THE APPARATUS INCLUDES A FIRST TOOTHED MEMBER CONNECTED TO ONE OF THE SHAFTS AND IN MESHING RELATIONSHIP WITH A SECOND TOOTHED MEMBER ADAPTED TO BE CONNECTED TO ANOTHER SHAFT; SOUND ISOLATING MEANS CONNECTED TO BOTH THE SECOND TOOTHED MEMBER AND THE OTHER SHAFT FOR ATTENUATING NOISE PRODUCING VIBRATIONS GENERATED BY THE APPARATUS, SAID MEANS COMPRISING RIGID PLATES MOUNTED ON SAID SECOND TOOTHED MEMBER, APERTURED PLATES SPACED FROM SAID RIGID PLATES, MEANS FOR CONNECTING SAID APERTURED PLATES TO THE OTHER SHAFT, A PLURALITY OF RESILIENT LAYERS INTERPOSED BETWEEN SAID RIGID AND APERTURED PLATES AND SECURED THERETO FOR TRANSMITTING TORQUE THEREBETWEEN, AT LEAST ONE PIN CARRIED BY EACH OF SAID RIGID PLATES AND EXTENDING INTO AN APERTURE IN EACH OF SAID APERTURED PLATES, SUFFICIENT CLEARANCE BEING PROVIDED BETWEEN SAID PIN AND SAID APERTURED PLATES TO MAINTAIN SAID PIN OUT OF CONTACT THEREWITH WHEN THE TORQUE TRANSMITTED BY SAID PLATES IS BELOW A PREDETERMINED VALUE AND IN CONTACT THEREWITH WHEN SAID TORQUE EXCEEDS SAID PREDETERMINED VALUE.