Drilling tool for producing geotechnical bores
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United States of America Patent
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N/A
Issued Date -
Mar 13, 2003
app pub date -
Apr 19, 2002
filing date -
Sep 11, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A drilling tool, consisting of an hydraulic excavator 2 and a drilling unit 7, is used for producing geotechnical bore holes. The drilling unit 7 is connected to the boom 5 of the hydraulic excavator 2 by way of a tilt head 15 with three degrees of freedom or three axes of rotation 16, 17, 18, which allow for it to be easily moved into the most varied working positions, especially in such a way as to permit drilling action that is considerably above the standing surface of the hydraulic excavator 2.
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