DRILLING APPARATUS FOR CREATING A BOREHOLE
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United States of America Patent
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Issued Date -
Oct 19, 2023
app pub date -
Sep 28, 2021
filing date -
Sep 30, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a drilling device for establishing a drill hole in the ground, having a main body (11), having a drilling tool which is disposed on one end of the main body (11), having a drive for the drilling tool that is provided on the main body, having a bracing device which is conceived for bracing the drilling device (10) in a cylindrical hollow body (20) and which has at least one bracing plane (31, 32) having at least two bracing elements which by way of a first end are disposed on the main body (11) and which on the second end of said bracing elements have at least one bracing member, wherein the at least one bracing member of the bracing element by means of at least one drive is able to be moved from a first position to a second position. It is provided according to the invention here that the bracing member by way of at least one element on the internal wall of the hollow body provides a form-fitting connection between the main body and the hollow body.
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