Electro magnetic clutch with ring like armatures

Claim 1

IN COMBINATION, A CASING, A DRIVE SHAFT EXTENDING THROUGH ONE WALL OF SAID CASING, A PULLEY ROTATABLY SUPPORTED ON THE END WALL OF SAID CASING, ONE PORTION OF SAID PULLEY SURROUNDING THE OUTER END OF SAID DRIVE SHAFT, AN ELECTROMAGNET DISPOSED IN THE OUTER FACE OF SAID PULLEY, A PAIR OF RING-LIKE ARMATURES, MEANS FOR DRIVINGLY CONNECTING SAID PAIR OF RING-LIKE ARMATURES TO SAID SHAFT, RESILIENT MEANS FOR SUPPORTING SAID PAIR OF RING-LIKE ARMATURES ON SAID CONNECTING MEANS FOR RELATIVE AXIAL MOVEMENT WITH RESPECT TO ONE ANOTHER, A FIRST OF SAID RING-LIKE ARMATURES BEING LOCATED AWAY FROM THE OUTER FACE OF SAID PULLEY A GREATER DISTANCE THAN THE SECOND OF SAID RING-LIKE ARMATURES, SAID PAIR OF RING-LIKE ARMATURES UPON ENERGIZATION OF SAID ELECTROMAGNET MOVING SELECTIVELY INTO ENGAGEMENT WITH THE OUTER FACE OF SAID PULLEY WITH SAID SECOND RING-LIKE ARAMTURE ENGAGING SAID PULLEY WITH SAID SECENGAGEMENT BY SAID FIRST RING-LIKE ARMATURE.