Patent ID: 7624520
Filing Date: 2009-12-01
Classification: E02F

Abstract:
1. 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 the 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 tracking member 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 the 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 mounted to the frame with a slope of the grading blade set according to the specified sidewalk design grade; and wherein the tracking member is engageable with the top surface of the curb portion to provide a point of reference for precise vertical and horizontal positioning of the grading blade to maintain the grading assembly in the desired position in relation to the curb as the sidewalk grader advances along the existing road structure.