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Rolling cutter

  • US 8,800,691 B2
  • Filed: 03/20/2013
  • Issued: 08/12/2014
  • Est. Priority Date: 05/30/2006
  • Status: Active Grant
First Claim
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1. A cutting structure, comprising:

  • an outer support element;

    an inner rotatable cutting element partially disposed in the outer support element, the inner rotatable cutting element comprising;

    a cutting face;

    an outer side surface; and

    a circumferential groove formed around the outer side surface;

    a retention mechanism disposed in the circumferential groove, wherein the retention mechanism extends around the entire circumference of the inner rotatable cutting element.

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