Earth-working apparatus and method for working encrusted earth
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United States of America Patent
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Feb 14, 2012
Grant Date -
Dec 3, 2009
app pub date -
Aug 13, 2008
filing date -
May 28, 2008
priority date (Note) -
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Abstract
An earth-working apparatus (1) having a drive (1', 1'') located above the ground is described. The earth-working apparatus has at least two earth-working devices (300, 400), a first earth-working device (300) including a rotating cutter and agitator device (30) that penetrates into the ground to be worked, having first tools and a second earth-working device (400) including a comminuting device (40) having second tools. Each earth-working device (300, 400) is individually mountable on the drive. The earth-working devices (300, 400) may be individually mountable on the drive. It is also possible to combine two or more earth-working devices and to mount them together on the drive. A method for working particularly encrusted ground surfaces is also described.
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