Cart filling and baling machine

Claim 1

AN IMPROVED LEAF BALING MACHINE COMPRISING, IN COMBINATION, A CART HAVING A BOTTOM MOVABLE VERTICALLY BETWEEN AN UPPER EMPTY POSITION AND A LOWER FULL POSITION, LEAF FEEDING MEANS HAVING A VERTICAL LOWER SECTION FOR FEEDING LEAVES INTO SAID CART, LOCKING MEANS FOR RELEASABLY LOCKING SAID CART IN POSITION TO RECEIVE LEAVES DELIVERED TO SAID VERTICAL LOWER SECTION OF THE LEAF FEEDING MEANS, A PRESSING PISTON HAVING BOTTOM COVER FLAPS PIVOTALLY MOUNTED THEREON SO AS TO BE MOVABLE BETWEEN AN OPEN POSITION PROVIDING A VERTICAL PASSAGEWAY THROUGH SAID PISTON, AND A CLOSED POSITION FOR PRESSING LEAVES IN SAID CART, SAID PISTON BEING MOUNTED TO VERTICALLY RECIPROCATE IN SAID VERTICAL LOWER SECTION OF THE LEAF FEEDING MEANS, SAID PISTON BEING MOVABLE TO ITS LOWERMOST POSITION WITH THE COVER FLAPS IN THEIR CLOSED POSITION, DRIVING MEANS FOR RECIPROCABLY DRIVING SAID PRESSING PISTON VERTICALLY IN TIMED RECIPROCATING MOTION, LINKAGE MEANS CONNECTING SAID BOTTOM COVER FLAPS OF SAID PRESSING PISTON TO SAID DRIVING MEANS AND INCLUDING MEANS RELATIVELY MOVABLE FOR CLOSING SAID COVER FLAPS ON THE DOWN STROKE OF SAID PISTON AND FOR OPENING SAID FLAPS ON THE UPSTROKES OF SAID PISTON, HYDRAULICALLY OPERATED SUPPORTING MEANS FOR MOVABLY SUPPORTING SAID MOVABLE BOTTOM BETWEEN SAID UPPER EMPTY AND LOWER FULL POSITIONS, CONTROL MEANS COMPRISING MEANS FOR SELECTIVELY CONTROLLING SAID SUPPORTING MEANS MANUALLY IN MOVING THE MOVABLE BOTTOM FROM SAID LOWER FULL POSITION TO SAID UPPER EMPTY POSITION, SAID CONTROL MEANS INCLUDING MEANS OPERATED BY PRESSURE OF THE DOWNSTROKES OF SAID PRESSING PISTONS FOR CONTROLLING MOVEMENT OF SAID MOVABLE BOTTOM FROM SAID UPPER EMPTY POSITION TO SAID LOWER FULL POSITION IN SUCCESSIVE STEPS, SAID CON-