Patent ID: 6308785
Filing Date: 2001-10-30
Classification: A01B,E01C

Abstract:
A towable adjustable grader-spreader bar for use on a ground surface comprising:(a) a blade frame assembly, oriented transverse to the direction of travel of the grader-spreader bar, the blade frame assembly comprising a plurality of blade frames;(b) a plurality of blade edges, such that a blade edge is fastened to the bottom of each blade frame;(c) means for slideably connecting adjacent blade frames to one another so that the blade frames have an adjustable overlap with respect to one another;(d) actuating means for sliding the blade frames to change the total width of the adjustable grader-spreader bar;(e) a left ground engaging skid attached to the left side of the blade frame assembly;(f) a right ground engaging skid attached to the right side of the blade frame assembly; and(g) hitching means for connecting the grader-spreader bar to a towing vehicle.