Land measuring device for diverse agricultural equipment

Claim 1

APPARATUS FOR INTERCHANGEABLE USE WITH DIVERSE PIECES OF AGRICULTURAL EQUIPMENT HAVING VARIOUS EFFECTIVE WIDTHS FOR MEASURING THE LAND AREA TRAVERSED THEREBY, COMPRISING MOUNTING ELEMENTS HAVING MEANS FOR DETACHABLY SECURING THE SAME TO A FRAME PORTION OF A SELECTED PIECE OF AGRICULTURAL EQUIPMENT, A WHEEL SUPPORT ARM PIVOTALLY CARRIED BY SAID MOUNTING ELEMENTS, AN AREA-INDICATING METER ASSEMBLY RIGIDLY CARRIED BY SAID MOUNTING ELEMENTS, A PLURALITY OF WHEELS FOR INDIVIDUAL SELECTIVE MOUNTING ON SAID WHEEL SUPPORT ARM, SAID WHEELS HAVING DIAMETERS VARYING RESPECTIVELY IN PREDETERMINED INVERSE RELATION TO THE WIDTH OF A RESPECTIVE PIECE OF AGRICULTURAL EQUIPMENT, WHEREBY A PARTICULAR WHEEL IS SELECTED FOR MOUNTING ON SAID ARM IN CORRESPONDENCE WITH THE SELECTED AGRICULTURAL EQUIPMENT TO WHICH SAID MOUNTING ELEMENTS ARE SECURED, AND FLEXIBLE MEANS COUPLING SAID SELECTED WHEEL AND SAID METER WHEREBY ROTATION OF SAID WHEEL IMPARTED BY GROUND-TRAVERSING MOVEMENT OF SAID AGRICULTURAL EQUIPMENT PRODUCES AN AREAL INDICATION ON SAID METER ASSEMBLY.