| 简介 |
PURPOSE : A device for leveling a ridge between fields is provided to supply continuous moisture and keep constant temperature using the heat of the earth without the effect of external temperature variation.CONSTITUTION : The ridge leveling device comprises : a traction unit(2) connected to a tractor(A) via a three-point hitch; a pressure roller(4) having a predetermined weight and connected to the traction unit to be steered leftward or rightward via a case(18); a leveling plate(8) located at a side of the pressure roller. By a variation in position of the pressure roller with respect to the traction unit, the tractor is accessible into a dome-shaped small volume farming house, while performing a leveling operation using the pressure roller.? KIPO 2006 |
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