Patent ID: 8783375

Claim:
A coulter assembly comprising: a scraper configured to pivot about an axis extending through a central portion of a disc blade, wherein the scraper includes a leading edge, and a top point of the leading edge is positioned adjacent to the axis and to the central portion of the disc blade, and wherein the axis extends closer to the top point of the leading edge than to a bottom portion of a mounting bracket that mounts the scraper to the coulter assembly, and wherein the mounting bracket provides structural support to pivotally couple the scraper to the coulter assembly; wherein the scraper comprises an upper leading edge section positioned adjacent to the central portion of the disc blade and configured to contact the disc blade while the disc blade is substantially undeflected, and a lower leading edge section positioned adjacent to an outer portion of the disc blade and configured to contact the disc blade while the disc blade is substantially undeflected, and wherein the upper leading edge section and the lower leading edge section are configured to maintain contact with the disc blade as the outer portion of the disc blade is deflected relative to the central portion of the disc blade along a substantially arcuate path.