Power take-off connection

Claim 1

FOR USE WITH A TRACTOR HAVING A SPLINED POWER TAKEOFF SHAFT OF A GIVEN DIAMETER FOR NORMALLY RECEIVING A CONVENTIONAL INTERNALLY SPLINED DRIVE ADAPTED OF THE SAME DIAMETER, AN IMPLEMENT CONNECTED TO SAID TRACTOR AND INCLUDING A ROTARY WORK ENGAGING MEMBER, AND A DRIVE SHAFT FOR ROTATING SAID MEMBER, AND AN INTERNALLY SPLINED DRIVE ADAPTED PROVIDED ON SAID DRIVE SHAFT, SAID ADAPTER HAVING SUBSTANTIALLY THE SAME DIAMETER AS AND BEING NORMALLY CONNECTABLE TO SAID POWER TAKE-OFF SHAFT; A ONE-WAY DRIVE CONNECTION ADAPTED TO BE INTERPOSED BETWEEN THE POWER TAKE-OFF SHAFT AND SAID DRIVE ADAPTER, SAID ONE-WAY DRIVE CONNECTION COMPRISING A CLUTCH INCLUDING A CYLINDRICAL HOUSING HAVING A CLOSED END AND AN OPEN END, AN INTERNALLY SPLINED SLEEVE ROTATABLY POSITIONED IN SAID HOUSING AND HAVING SUBSTANTIALLY THE SAME INSIDE DIAMETER AS SAID INTERNALLY SPLINED DRIVE ADAPTER, SAID POWER TAKE-OFF SHAFT BEING ADAPTED TO EXTEND THROUGH THE OPEN END OF SAID HOUSING INTO SAID SLEEVE, MEANS INTERPOSED BETWEEN SAID SLEEVE AND SAID HOUSING FOR TRANSMITTING ROTATION IN ONE DIRECTION ONLY FROM THE SLEEVE TO THE HOUSING AND A SPLINED SHAFT MEMBER PROVIDED EXTERNALLY ON THE CLOSED END OF THE HOUSING IN COAXIAL RELATION THERWITH, SAID SPLINED SHAFT MEMBER BEING OF SUBSTANTIALLY THE SAME DIAMETER AS SAID SPLINED POWER TAKE-OFF SHAFT AND ADAPTED TO EXTEND INTO SAID SPLINED ADAPTED ON SAID DRIVE SHAFT TOGETHER WITH A KEEPER PIN EXTENDING TRANSVERSELY THROUGH SAID SLEEVE AND THROUGH SAID POWER TAKE-OFF SHAFT TO PREVENT AXIAL SHIFTING OF THE SLEEVE ON THE POWER TAKE-OFF SHAFT.