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US 8,029,068 B2Granted
Locking fixture for a degradation assembly
AssigneeSchlumberger Technology Corporation
InventorsDavid R. Hall, Scott Dahlgren
Life of this patent
Estimating the term…
Abstract
In one aspect of the invention, a degradation assembly comprises an impact tip brazed to a carbide bolster. A stem protrudes from the bolster, being adapted to be retained within a bore connected to a driving mechanism. A locking fixture is disposed within the bore and locking the stem to a wall of the bore.
Claims13
A tool for use in a degradation assembly, said degradation assembly having a bore for receiving said tool, said tool comprising:
- a bolster having a base end and a working end;
- an impact tip brazed to said working end;
- a stem coupled to said bolster, said stem protruding from said base end;
- an anchor disposed about said stem, said anchor being adapted to lock within said bore;
- means for mechanically coupling said anchor with said stem;
- and
- a tensioning mechanism adapted to provide tension to said stem between said bolster and said anchor.
4 more elements
Dependencies are inferred from the claim text.