Scraper for a coulter assembly

A coulter assembly comprising:

• a support structure;
• a disc blade rotatably mounted to the support structure;
• a mounting bracket pivotally coupled to the support structure to form a pivot axis extending through a central portion of the disc blade and toward a plane formed by the disc blade;
• and
• a scraper having a mounting portion and a leading edge, wherein the mounting portion is rigidly coupled to the mounting bracket and a top point of the leading edge is positioned adjacent to the pivot axis and to the central portion of the disc blade, wherein the pivot axis extends closer to the top point of the leading edge than to a bottom portion of the mounting bracket;
• 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.