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US 2019/0316461 A1Published application
A depth measurement apparatus
AssigneeReflex Instruments Asia Pacific Pty Ltd
InventorGary Cavanough
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AssigneeReflex Instruments Asia Pacific Pty Ltd
InventorGary Cavanough
Estimating the term…
A depth measurement apparatus for measuring the depth of a hole and/or the depth of any liquid or slurry in the hole. The depth measurement apparatus comprises a spool containing a length of cord having a bob attached to a free end of the cord remote from the spool. The bob is a solid body, preferably being in the shape of a sphere, a spheroid or an ellipsoid. The apparatus has a measuring device arranged to measure a length of the cord dispensed from the spool during use, which indicates the depth of the hole. The measuring device is also arranged to measure the acceleration rate at which the cord is dispensed from the spool, wherein a change in the acceleration rate indicates that the bob has entered a liquid or slurry.
A depth measurement apparatus for measuring the depth of a hole and/or the depth of any liquid or slurry in the hole, the depth measurement apparatus comprising:
A method of measuring the depth of a hole and/or the depth of any liquid or slurry in the hole, the method comprising the steps of:
Dependencies are inferred from the claim text.