Patent ID: 6843001

Claim:
A scraper for moving friable material, the scraper including: a frame adapted for attachment to a vehicle; an articulated blade having left and right portions mounted on the frame for pivoting about a substantially horizontal axis transverse to the articulated blade; each of the left and right portions of the articulated blade being adapted for pivotal movement about the axis between a substantially horizontal lowered position and a raised position, and each portion being independently positionable in at least one position between the lowered position and the raised position movement of at least one of the left and right portion of the articulated blade from the lowered position opening a gap between the left and right portions; the articulated blade being positionable for engagement with the friable material as the vehicle travels over the friable material for moving a part of the friable material to shape the friable material in accordance with a predetermined design, each of the left and right portions of the articulated blade having at least one cutting edge for engaging the friable material; said at least one cutting edge on each of the left and right portions of the articulated blade being positioned at a predetermined distance below the frame when the left and right portions are in lowered position; a shield adapted for moving the friable material, the shield being attached to the frame and depending from the frame and positioned for alignment with the gap and; the shield having a bottom edge positioned at a distance below the frame which is substantially the same as the predetermined distance below the frame. whereby the friable material is moveable by the articulated blade and the shield to conform with the predetermined design.