Vehicle carrying plate

Claim 1

THE COMBINATION WITH A VEHICLE SUCH AS AN EXCAVATOR HAVING FRONT AND REAR PAIRS OF WHEELS, THE WHEELS OF ONE OF SAID PAIRS HAVING TIRES COMPOSED OF RESILIENTLY YIELDABLE MATERIAL WITH OPPOSITE SIDES SPACED A FIRST DISTANCE APART, AND THE WHEELS OF THE OTHER PAIR HAVING TREADS COMPOSED OF METAL WITH OPPOSITE SIDES SPACED A SECOND SUBSTANTIALLY GREATER DISTANCE APART, TO FIRST AND SECOND SIMILAR CARRYING PLATES DISPOSED BENEATH SAID WHEELS TO SUPPORT SAID VEHICLE ON SOFT GROUND AND EACH COMPRISING AN UPTURNED GENERALLY CYLINDRICAL PERIPHERAL FLANGE TERMINATING IN AN UPWARDLY FACING ANNULAR EDGE, A CENTRAL UPWARDLY DISHED PORTION JOINED TO THE LOWER PORTION OF SAID FLANGE AND FORMING A CONCAVE BOTTOM WALL ON SAID PLATE, AND MEANS AT THE CENTER OF SAID DISHED PORTION FOR CONNECTING EACH PLATE TO SAID VEHICLE MIDWAY BETWEEN ONE PAIR OF WHEELS, SAID FIRST PLATE BEING DISPOSED BENEATH SAID METAL WHEELS WITH FLANGE THEREOF ENGAGING THE TREADS TO FORM A TRACK THEREFOR, AND SAID SECOND PLATE BEING DISPOSED BENEATH SAID TIRES WITH THE FLANGE THEREOF SPACED OUTWARDLY FROM THE TIRES WHEREBY THE LATTER RIDE ON SAID DISHED PORTION.