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Claim 1

A TRACTOR-TOWED MATERIAL-COLLECTING LOADER COMPRISING A CARRIAGE HAVING A TRANSVERSE FRAME AT THE FORWARD END THEREOF, SAID TRANSVERSE FRAME HAVING A HORIZONTAL TOP MEMBER AND A PAIR OF SIDE MEMBERS DEPENDING THEREFROM AND HAVING A HORIZONTAL CONVEYOR MOUNTED BETWEEN SAID SIDE MEMBERS, SAID HORIZONTAL CONVEYOR COMPRISING BLADE MEANS SUPPORTED FOR ROTATION ON SAID SIDE MEMBERS AND A TUBULAR HOUSING ABOUT SAID BLADE MEANS HAVING A MATERIAL ENTRANCE SPACE AT THE LOWER-FRONT PORTION THEREOF, A HORIZONTALLY EXTENDING MATERIAL-DISLODGING BLADE SUPPORTED BETWEEN SAID SIDE MEMBERS BELOW SAID SPACE, SAID CARRIAGE HAVING A LONGITUDINAL FRAME EXTENDING REARWARDLY FROM SAID TRANSVERSE FRAME WITH A SUPPORTING WHEEL AT ITS REAR END, SAID LONGITUDINAL FRAME BEING PIVOTALLY CONNECTED TO SAID TRANSVERSE FRAME FOR RELATIVE MOVEMENT ABOUT A HORIZONTAL AXIS, AN ELEVATING CONVEYOR EXTENDING REARWARDLY AND UPWARDLY FROM SAID HORIZONTAL CONVEYOR, SAID ELEVATING CONVEYOR HAVING AN ELONGATED HOUSING WITH A LOWER END MOVABLY MOUNTED BEHIND THE HOUSING OF SAID HORIZONTAL CONVEYOR AND AN INTERMEDIATE PORTION SUPPORTED ON SAID LONGITUDINAL FRAME, SAID HOUSINGS HAVING COMMUNICATING OPENINGS THROUGH WHICH MATERIAL IS FED FROM SAID HORIZONTAL CONVEYOR TO SAID ELEVATING CONVEYOR, SAID TOP MEMBER OF SAID TRANSVERSE FRAME HAVING MEANS FOR COUPLING SAID CARRIAGE TO A TOWING TRACTOR, SAID COUPLING MEANS INCLUDING MEANS FOR LIFTING SAID TRANSVERSE FRAME AND CHANGING THE ANGLE OF SAID DISLODGING BLADE, SAID HORIZONTAL CONVEYOR HAVING DRIVE MEANS AT ONE END THEREOF AND SAID ELEVATING CONVEYOR HAVING DRIVE MEANS AT ITS UPPER END, AND A POWER TRANSFER UNIT MOUNTED ON THE TOP MEMBER OF SAID TRANSVERSE FRAME AND ADAPTED TO BE COUPLED TO A POWER TAKE-OFF OF SAID TOWING TRACTOR, SAID POWER TRANSFER UNIT HAVING OUTPUT MEANS COUPLED TO BOTH SAID CONVEYOR DRIVE MEANS.