Depth determination apparatus
AssigneeIguana Industrial Solutions Pty Ltd.
InventorsPeter Davekumar Stephens, Gary Allan Cook
Life of this patent
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Abstract
A depth determination apparatus is described. The depth determination apparatus includes a rotatable reel for receiving a length of line, a free end of the line being adapted to receive a weight, a hollow elongate leader assembly through which the line is played out and retracted, a measuring arrangement for measuring the length of line played out and/or retracted through the hollow elongate leader; and a drive means for at least retracting the line through the hollow elongate leader.
Claims36
A depth determination apparatus including:
- a rotatable reel for receiving a length of line, a free end of the line being adapted to receive a weight;
- a hollow elongate leader assembly through which the line is played out and retracted;
- a measuring arrangement for measuring the length of line played out and/or retracted through the hollow elongate leader;
- and
- a drive means for at least retracting the line through the hollow elongate leader.
A cassette and hollow elongate leader assembly detachably mountable to a drive and control unit, the cassette assembly including:
- a reel rotatably mounted in the cassette assembly and adapted to receive a length of line, a free end of the line adapted to carry a weight and
- a drive coupling adapted to detachably couple to a drive assembly of the drive and control unit, the drive assembly for driving the reel to play out and retract the line through the hollow elongate leader.
Dependencies are inferred from the claim text.