| 摘要 |
A sidewalk grader provided for grading a sidewalk base disposed along a curb of an existing road structure. The sidewalk grader comprises a tracking assembly fixable to a vertically adjustable backfill blade of a compact excavator positioned to move forward over an existing road structure to advance the sidewalk grader. The tracking assembly comprises a vertically adjustable tracking means disposed for engagement with the top surface of the curb, to provide a reference point. A grading assembly is mounted to the tracking assembly. The grading assembly comprises a frame, and a grading blade rotatingly mounted to the frame to permit adjustment of slope of the blade. An adjustable link connects the grading blade to the frame to adjustable fix their relative position. The tracking means is vertically adjustable to enable the same to engage with the surface of a curb for reference to enable precise adjustment, control, and positioning of the grading assembly, and for maintaining the desired position of the sidewalk grader in relation to the curb as the sidewalk grader advances along the existing road structure.
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