Patent ID: 7273111

Claim:
A grading implement comprising: a main body including a left end, a right end and a length that extends between the left and right ends, the main body also including a front and a back, the main body further including a first channel member having a length that extends between the left and right ends of the main body, the first channel member including a top wall and first and second spaced-apart flanges that extend downwardly from the top wall, the top wall and the first and second flanges extending along the length of the first channel member, the first flange of the first channel member being located at the front of the main body and the second flange being rearwardly spaced from the first flange, the first flange forming at least a portion of a front plow blade that extends between the left and right ends of the main body, and the first channel member also including an open bottom side; end plates positioned at the left and right ends of the main body, the end plates including portions that extend rearwardly beyond the main body so as to define a volume behind the main body between the end plates, the volume being adapted for receiving grading material when the implement is moved rearwardly; a rear blade positioned at the back of the main body, the rear blade having a cutting edge that faces in a rearward direction, and the rear blade having a length that extends between the end plates; and wherein the main body further includes a second channel member having a length that extends between the left and right ends of the main body, the second channel member being positioned behind the first channel member, wherein the rear blade is positioned adjacent the second channel member.