Safety device for use in well
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United States of America Patent
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May 2, 2017
Issued Date -
N/A
app pub date -
Jul 22, 2014
filing date -
Jul 29, 2013
priority date (Note) -
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Abstract
The safety device is to be installed in a well. The safety device is has a support structure that is arranged to be lowered at least partly into the well and that restricts the movement of the safety device in the horizontal direction. A collar is in connection with the support structure and arranged to be set against the ground to restrict the movement of the safety device in the vertical direction, with a protective structure arranged on the collar to define a safe working area around the well.
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