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US 2026/0085584 A1Published application
Cutter with a lockable retention feature
AssigneeTaurex Drill Bits, LLC
InventorsWarren DYER, Blake Cameron RICHNOW
Life of this patent
Estimating the term…
Abstract
A cutter for a drill bit includes a substrate having opposing first and second ends and exhibiting a first diameter, a cutting layer attached to the substrate at the first end, and a lock member provided at the second end and including a body exhibiting a second diameter less than the first diameter, and at least one locking feature protruding radially from the body. The locking feature is engageable with a locking profile defined within a pocket of a drill bit body.
Claims20
A cutter for a drill bit, comprising:
- a substrate having opposing first and second ends and exhibiting a first diameter;
- a cutting layer attached to the substrate at the first end;
- and
- a lock member provided at the second end and including:
- a body exhibiting a second diameter less than the first diameter;
- and
- at least one locking feature protruding radially from the body, wherein the at least one locking feature is engageable with a locking profile defined within a pocket of a drill bit body.
4 more elements
A cutter for a drill bit, comprising:
- a substrate providing a first portion exhibiting a first outer diameter and plug protruding from the first portion and exhibiting a second outer diameter less than the first outer diameter;
- a cutting layer disposed on the first portion;
- and
- a lock member including:
- a socket portion including a socket sized to receive the plug;
- a body protruding from the socket portion and exhibiting a third outer diameter less than the first outer diameter;
- and
- at least one locking feature protruding radially from the body, wherein the at least one locking feature is engageable with a locking profile defined within a pocket of a drill bit body.
5 more elements
A drill bit, comprising:
- a bit body;
- a blade forming part of the bit body;
- a pocket formed in the blade and having a first portion and a second portion, the second portion including an insertion profile and a locking profile that has a plurality of locking surfaces;
- and
- a cutter insertable into the pocket and including:
- a body;
- and
- a lock member having a plurality of locking features extending radially from the body,
- wherein the lock member is insertable into the pocket at a first rotational orientation such that the plurality of locking features are advanced through the insertion profile, and
- wherein the lock member is rotatable to a second rotational orientation in which each locking feature is engaged with a corresponding one of the plurality of locking surfaces, thereby axially locking the cutter within the pocket.
7 more elements
Dependencies are inferred from the claim text.