Hitch structure

Claim 1

A HITCH STRUCTURE FOR TRAILING A CROP CONDITIONER BEHIND A TRACTOR MOUNTED MOWER WHEREIN THE MOWER IS CARRIED BY THE TRACTOR FOR VERTICAL ADJUSTMENT RELATIVE THERETO, SAID MOWER HAVING A FRAME INCLUDING AT LEAST TWO PORTIONS WHICH MOVE RELATIVE TO EACH OTHER IN RESPONSE TO VERTICAL ADJUSTMENT OF THE MOWER RELATIVE TO THE TRACTOR AND SAID MOWER HAVING DRIVE MEANS CONNECTABLE TO THE TRACTOR POWER-TAKE-OFF MECHANISM, AND WHEREIN THE CROP CONDITONER HAS A FORWARDLY EXTENDING DRAWBAR WITH HITCH MEANS AT THE FORWARD END THEREOF AND A FORWARDLY EXTENDING DRIVE SHAFT DISPOSED ABOVE AND GENERALLY PARALLEL TO SAID DRAWBAR AND HAVING CONNECTOR MEANS DISPOSED FORWARDLY AND ABOVE SAID DRAWBAR HITCH MEANS FOR CONNECTING SAID DRIVE SHAFT TO THE DRIVE MEANS ON THE MOWER, SAID HITCH STRUCTURE COMPRISING, A GENERALLY FORE-AND-AFT EXTENDING HITCH MEMBER HAVING MEANS AT THE REAR END THEREOF CONNECTABLE WITH THE HITCH MEANS ON SAID CROP CONDITIONER DRAWBAR, MEANS PIVOTALLY MOUNTING THE FORWARD END OF SAID BITCH MEMBER ON ONE OF THE RELATIVELY MOVABLE POTIONS OF SAID MOWER FRAME FOR VERTICAL PIVOTAL MOVEMENT RELATIVE THERETO, AND LINKAGE CONNECTED TO AND EXTENDING FROM ANOTHER ONE OF THE RELATIVELY MOVABLE PORTIONS OF SAID MOWER FRAME TO SAID HITCH MEMBER AND PIVOTING THE HITCH MEMBER DOWNWARDLY AWAY FROM SAID DRIVE SHAFT IN RESPONSE TO UPWARD ADJUSTMENT OF SAID MOWER RELATIVE TO SAID TRACTOR AND UPWARDLY TOWARD SAID DRIVE SHAFT IN RESPONSE TO DOWNWARD ADJUSTMENT OF SAID MOWER RELATIVE TO SAID TRACTOR.