Coulter assembly

Details Coulter assembly Coulter assembly

A - Human Necessities

01

B

A01B 15/18 (2006.01) A01B 15/16 (2006.01)

Patent

CA 2688914

A coulter assembly is provided that includes a torsion spring configured to maintain a substantially constant contact force between a scraper and a coulter disk sufficient to remove accumulated soil despite wearing of the scraper and/or coulter disk. In an exemplary embodiment, the coulter assembly includes a scraper having a blade and an arm. The blade is disposed adjacent to a soil engaging portion of the coulter disk, and the arm is rotatably coupled to the coulter assembly and extends along a substantially straight path to the blade. A torsion spring is disposed about a rotational axis of the arm and configured to rotationally bias the blade toward the coulter disk by applying a torque between the coulter assembly and the arm. This configuration obviates manual adjustment of the scraper relative to the coulter disk, thereby reducing maintenance costs and operational delays.

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