Field marker for implements

Details Field marker for implements Field marker for implements

A - Human Necessities

01

B

A01B 69/02 (2006.01)

Patent

CA 2348796

A field marker attachable to as outer end of an agricultural implement comprises an arm pivotally attachable to the implement extending perpendicular to the travel direction. A marking device is attached at a distal end of the arm. An extendable hydraulic cylinder is attached to the arm and implement and moves in one direction to a stopped position where the arm is in the operating position. An active hydraulic source supplies hydraulic fluid at an operating pressure such that the cylinder remains at the stopped position until a rearward force on the arm causes the pressure in the cylinder to exceed the operating pressure and the arm moves rearward. Where the marking device scores the field, a wheel can be mounted on the arm such that its axis of rotation is removed from the center of the wheel so that the scoring device moves up and down scoring an intermittent line.

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