Back to results
US 2011/0080036 A1Published application
Spring Loaded Pick
AssigneeSchlumberger Technology Corporation
InventorsDavid R. Hall, Ronald Crockett, Francis Leany
Life of this patent
Estimating the term…
Abstract
In one aspect of the invention, an apparatus for degrading natural and man-made formations includes a pick with an axially spring loaded pick comprising a central axis and being attached to a holder secured to a driving mechanism. The pick comprising a steel body with an axial shank disposed within a bore of the holder.
Claims22
A pick adapted for degrading at least one of natural and man-made formations, comprising:
- a steel body that includes a shank extending rearward and a recess;
- a carrier sized and shaped to receive said shank;
- a holder having a cavity adapted to receive said carrier;
- a carbide core having a tip that includes a diamond material, said carbide core sized and shaped to be inserted into said recess of said steel body;
- and
- a spring mechanism adapted to bias said carrier in a forward position.
3 more elements
A pick adapted for degrading at least one of natural and man-made formations, comprising:
- a body that includes a shank extending rearward and a body recess, said shank having a flange;
- a carrier having a carrier cavity, said carrier cavity sized and shaped to receive said shank, said carrier cavity including a cavity recess sized and shaped to receive said flange;
- a holder having a holder cavity adapted to receive said carrier;
- a core having a tip that includes a diamond material, said core press fit in said body recess of said body;
- and
- a spring mechanism adapted to bias said carrier in a forward position relative to said holder.
3 more elements
A pick adapted for degrading formations, the pick comprising:
- a core having a tip that includes a diamond material;
- a body having a shank, said body mechanically coupled to said core;
- a carrier mechanically coupled to said shank;
- a holder mechanically coupled to said carrier;
- and
- a spring mechanism adapted to bias said tip in a forward position.
3 more elements
Dependencies are inferred from the claim text.