Patent ID: 7650708

Claim:
A sidewalk grader for grading the area reserved for a sidewalk to a predetermined specified grade and elevation to form the base of a designed sidewalk that extends adjacent to and along an existing road structure of the type having a curb as a border, the sidewalk grader comprising: a tracking assembly adapted for fixable engagement with a vertically movable accessory extending from a piece of construction excavation equipment disposed to move forward over an existing road structure to advance the sidewalk grader in a direction along the existing road structure, substantially parallel thereto, the tracking assembly being configured to extend from a vertically movable accessory in a transverse direction to the course of advancement, transversely across the road structure and the curb thereof; the tracking assembly further comprising a vertically adjustable tracking means disposed for engagement with a top surface of a curb portion of the road structure and use of the top surface as a point of reference for operation of the sidewalk grader; a grading assembly mounted to the tracking assembly, extending outward therefrom, to extend beyond a curb portion of a road structure, over the location of an area reserved for a designed sidewalk, the grading assembly comprising: a frame, and a grading blade rotatingly mounted to the frame to permit adjustment of slope of the grading blade according to the specified sidewalk design grade; means for adjusting and setting the relative position of the grading blade to a predetermined position in relation to the frame; and wherein the tracking means is vertically adjustable to engage with the top surface of the curb portion to provide a point of reference for precise vertical and horizontal adjustment of the sidewalk grader, to position the grading assembly, and for maintaining the grading assembly in the desired position in relation to the curb as the sidewalk grader advances along the existing road structure.