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Boring Or Penetrating The Earth > With Means Movable Relative To Tool To Receive, Retain, Or Sever Undisturbed Core > Core-retaining Or Severing Means > Sliding Wedge Type (e.g., Slips)
Sliding Wedge Type (e.g., Slips)Sliding Wedge Type (e.g., Slips) patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.
11/28/13 - 20130313024 - Core drilling tools with retractably lockable driven latch mechanisms
Implementations of the present invention include a core barrel assembly having a driven latch mechanism. The driven latch mechanism can lock the core barrel assembly axially and rotationally relative to a drill string. The driven latch mechanism can include a plurality of wedge members positioned on a plurality of driving...