Roller bearing power takeoff assembly

Claim 1

COUPLING MEANS ADAPTED FOR USE WITH A MACHINE POWER TAKEOFF HAVING A POWER SHAFT, A HOLLOW DRIVEN SHAFT DRIVINGLY CONNECTED AT ONE END TO SAID POWER SHAFT, SAID COUPLING MEANS COMPRISING A BOX HAVING A HOLLOW INTERIOR OF SUBSTANTIALLY RECTANGULAR CROSS-SECTION HAVING AN AREA IN EXCESS OF THE CROSS-SECTIONAL AREA OF SAID DRIVEN SHAFT SAID BOX BEING RIGIDLY SECURED AT ONE END TO THE OTHER END OF SAID DRIVEN SHAFT FOR ROTATION WITH SAID DRIVEN SHAFT, WITH THE HOLLOW INTERIOR IN SUBSTANTIALLY LONGITUDINAL ALINEMENT WITH THE LONGITUDINAL AXIS AND HOLLOW INTERIOR OF THE DRIVEN SHAFT, SAID BOX ADJACENT TWO OPPOSED SIDES OF ITS HOLLOW INTERIOR JOURNALLING PARALLEL SERIES OF BEARING ROLLERS SUPPORTED PERPENDICULARLY TO SAID AXIS, EACH SAID SERIES OF ROLLERS BEING RESPECTIVELY SPACED FROM THE BOX INTERIOR SIDE OPPOSED TO THE SERIES AND SAID ROLLERS SPANNING FROM SIDE TO SIDE OF SAID BOX INTERIOR, THE OTHER END OF SAID BOX BEING OPEN, AN EXTENSION SHAFT OF SIMILAR RECTANGULAR CROSS-SECTION HAVING ONE END INSERTED INTO SAID BOX OPEN END, SAID ROLLERS ENGAGING AND SPANNING THE EXTERIOR OF TWO FACES OF SAID EXTENSION SHAFT FOR LONGITUDINAL SHIFTING MOVEMENT OF SAID EXTENSION SHAFT RELATIVE TO SAID BOX, THE INSERTED END OF SAID EXTENSION SHAFT TELESCOPICALLY EXTENDING BEYOND SAID BOX INTO THE HOLLOW INTERIOR OF THE DRIVEN SHAFT TO PERMIT LONGITUDINAL MOVEMENT OF SAID EXTENSION SHAFT RELATIVE TO SAID BOX AND DRIVEN SHAFT, THE ENGAGEMENT OF SAID EXTENSION SHAFT INSERTED END WITH THE INTERIOR OF SAID BAX AND WITH SAID ROLLERS ROTATIONALLY COUPLING SAID EXTENSION SHAFT TO SAID DRIVEN SHAFT FOR ROTATION CONJOINT THEREWITH WHILE PERMITTING RELATIVE LONGITUDINAL SHAFT MOVEMENT.