Patent ID: 7640996

Claim:
An earthmoving scraping device, comprising: a bowl-shaped frame having a front end, a back end, and opposing first and second side walls extending upwardly from a frame floor, the first side wall, second side wall, and floor defining an interior of the frame for transporting material; at least one walking beam including: a suspension arm having a first end and a second end, the first end of the suspension arm pivotally connected to the back end of the frame; a beam having a front end, a back end, and first and second sides, the second end of the suspension arm being pivotally connected to the beam; a first axle extending from the first side of the beam and a second axle extending from the second side of the beam; and a tire system connected to each axle, the tire system including a cylindrical metal rim and a plurality of solid tire segments, the cylindrical metal rim including an outer surface, each tire segment including at least one track connected to a mounting plate, the mounting plates circumferentially positioned adjacent to the outer surface.