Soil cultivation device
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United States of America Patent
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Feb 19, 2013
Grant Date -
Nov 25, 2010
app pub date -
Mar 28, 2006
filing date -
Apr 1, 2005
priority date (Note) -
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Abstract
A soil cultivation device drivable in a displacement direction relative to the soil and designed to break up sub-soil. The device has a chassis or frame, a row of support arms and a drive unit, respective cutting tool pivot units pivotally hinged on the support arms to pivot relative to the arms about a second pivoting axis, permitting a cutting tool fixed on the cutting tool pivot units to pierce the soil and the cutting tool pivot units to be pivoted in relation to the support arms. In addition, the device has at least one gear mechanism, which transmits the relative displacement of the cutting tool pivot unit and the support arm, which at least occurs when the cutting tool has pierced the soil and the soil cultivation device is traveling onwards in the displacement direction, to at least one unit not displaced up and down with the support arm.
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