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CUTTING ELEMENT ASSEMBLIES COMPRISING ROTATABLE CUTTING ELEMENTS

  • US 20190032415A1
  • Filed: 07/28/2017
  • Published: 01/31/2019
  • Est. Priority Date: 07/28/2017
  • Status: Active Grant
First Claim
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1. A cutting element assembly, comprising:

  • a sleeve defining a first internal groove and a first frustoconical surface longitudinally spaced from the first internal groove;

    a rotatable cutting element disposed within the sleeve, the rotatable cutting element comprising a polycrystalline hard material and a supporting substrate, wherein the polycrystalline hard material has an end cutting surface, wherein the rotatable cutting element defines a second groove in a surface of the supporting substrate and a second frustoconical surface longitudinally spaced from the second internal groove; and

    a retention element disposed partially within the first groove and partially within the second groove.

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