Earth-moving equipment easy of adjust high and low of ridge

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PURPOSE : Provided is a furrowing device capable of controlling height of ridges to freely control height of ridges by selectively rotating furrowing plates inward or outward to control an excavation quantity. CONSTITUTION : The furrowing device(R) is combined with an installation unit(3) for furrowing device which is placed at a front end of a traction frame(2) connected with a tractor. The furrowing device(R) comprises fixing holders, rotation controlling rods, angle controlling plates(30), and rotary angle controlling sections. Each fixing holder is integrally combined with a back face of an installation clamp(4) which is installed at the installation unit(3) for furrowing device. Each rotation controlling rod is rotatably installed at an inside of the fixing holder, and rotatably combined with a furrowing plate(22) at a lower end thereof. Each rotary angle controlling section(30) is integrally combined with an upper end of the rotation controlling rod. Each rotary angle controlling section is formed to freely control a horizontal rotation angle of the furrowing plate(22). © KIPO 2006