Agricultural implement with down-force control

Details Agricultural implement with down-force control Agricultural implement with down-force control

A - Human Necessities

01

B

A01B 63/114 (2006.01) A01B 63/14 (2006.01) A01C 7/20 (2006.01)

Patent

CA 2210238

Down-force control is provided by a top-link, which presses down the rear end of a tool-bar carrying multiple rows of seeder tools. The height of the tool bar is set front and rear during operation. The top-link includes a hydraulic ram. The ram is supplied with pressure from a pressure-reducing-relieving valve, whereby the downward- force on the rear of the tool-bar remains constant during operation. The tool bar has side wings which are pressed down by a pressure that is regulated by the same valve. The system allows the seeder to maintain constant implantation depth, even over uneven ground.

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