Self-powered compacting roller

Claim 1

A SELF-POWERED COMPACTING ROLLER COMPRISING A PLATFORM, A CASING PIVOTALLY MOUNTED BENEATH SAID PLATFORM ABOUT A SPINDLE EXTENDING AT RIGHT ANGLES TO SAID PLATFORM, A BEAM RIGIDLY MOUNTED IN SAID CASING SO AS TO EXTEND IN A DIRECTION AT RIGHT ANGLES TO THE PIVOT AXIS OF SAID CASING A SERIES OF SWINGING ARMS ROTATABLY MOUNTED ON SAID BEAM, A SERIES OF WHEELS MOUNTED ON THE ARMS OF SAID SERIES, A SHAFT ROTATABLY MOUNTED IN SAID CASING AND PARALLEL TO SAID BEAM, ANOTHER SERIES OF ARMS RIGID WITH SAID SHAFT, A SERIES OF HYDRAULIC RAMS HAVING EACH A BEARING END PIVOTED ON ONE OF SAID ARMS OF SAID OTHER SERIES AND AN OPERATIVE END PIVOTED ON ONE OF THE ARMS OF SAID FIRST SERIES, ANOTHER PAIR OF ARMS RIGIDLY CARRIED BY SAID SHAFT ON EITHER SIDE OF SAID OTHER SERIES OF ARMS AND ANOTHER PAIR OF RAMS RAMS EACH HAVING A BEARING END PIVOTED ON SAID CASING AND AN OPERATIVE END PIVOTED ON ONE OF SAID OTHER PAIR OF RAMS FOR SIMULTANEOUSLY CONTROLLING SAID OTHER PAIR OF RAMS WHEREBY THE ARMS OF SAID OTHER SERIES CAN BE LOCKED EITHER IN A RAISED POSITION IN SAID CASING WHEREBY SAID RAMS OF THE SERIES PERMIT OF ADAPTING THE WHEELS OF THE SERIES, IN SAID CASING, TO THE UNEVENNESSES OF THE GROUND, OR IN A LOWER POSITION IN WHICH THE RAMS OF SAID SERIES PERMIT, WHEN THE ROLLER IS STILL, TO CAUSE SAID WHEELS OF SAID SERIES TO ENGAGE THE GROUND UNDERNEATHH SAID CASING, ANY ONE OF SAID LAST-NAMED WHEELS BEING ADAPTED TO BE RAISED ABOVE GROUND LEVEL BY ACTUATING ITS CORRESPONDING RAM, WHILE REMAINING WELL CLEAR UNDER SAID CAUSING, FOR EASIER REPAIRS AND REMOVAL, WHILE THE OTHER WHEELS SUPPORT THE WEIGHT OF THE ROLLER.