Tractor loaders

Claim 1

IN A TRACTOR LOADER, A BOOM PIVOTALLY CONNECTED TO SAID TRACTOR AND EXTENDING FORWARDLY THEREOF, MEANS FOR PIVOTING SAID BOOM TO RAISE THE FORWARD END THEREOF TO A HIGH LIFT POSITION, A BUCKET HAVING A REAR WALL CURVED ABOUT AN AXIS DISPOSED TRANSVERSELY OF SAID BUCKET, A BUCKET CARRIER HAVING A REAR PORTION CURVED TO CONFORM TO THE CURVATURE OF SAID REAR WALL OF SAID BUCKET WHEREBY SAID BUCKET IS RECEIVABLE IN ENGAGEMENT THEREWITH, SAID CARRIER FURTHER BEING FORMED TO HAVE A BASE PORTION EXTENDING BELOW SAID BUCKET FROM SAID CURVED REAR WALL OF SAID BUCKET TO THE FORWARD MARGINAL EDGE OF THE BOTTOM WALL OF SAID BUCKET, MEANS PIVOTALLY CONNECTING THE FORWARD MARGINAL EDGE OF SAID BOTTOM WALL OF SAID BUCKET TO THE FORWARD END OF SAID BASE PORTION OF SAID CARRIER, MEANS PIVOTALLY CONNECTING SAID CURVED REAR PORTION OF SAID CARRIER TO THE FORWARD END OF SAID BOOM, LINKAGE MEANS CONNECTED BETWEEN SAID TRACTOR, SAID BOOM, SAID CARRIER AND SAID BUCKET FOR POSITIONING SAID BUCKET WITH THE OPEN SIDE THEREOF DISPOSED SUBSTANTIALLY UPWARDLY IN THE HIGH LIFT POSITION OF SAID BOOM, SAID LINKAGE MEANS INCLUDING A HYDRAULIC MOTOR FOR CONTEMPORANEOUSLY PIVOTING SAID CARRIER RELATIVE TO SAID BOOM AND SAID BUCKET RELATIVE TO SAID CARRIER TO A DUMPED POSITION IN SAID HIGH LIFT POSITION OF SAID BOOM RESPONSIVE TO A CERTAIN OPERATION OF SAID HYDRAULIC MOTOR.