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Rolling cutter

  • US 9,033,070 B2
  • Filed: 08/11/2014
  • Issued: 05/19/2015
  • Est. Priority Date: 05/30/2006
  • Status: Expired
First Claim
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1. A cutting element for a drill bit, comprising:

  • an outer support element; and

    an inner rotatable cutting element, a portion of which is disposed in the outer support element, the inner rotatable cutting element comprising;

    a body having a non-planar cutting face;

    wherein the body comprises an ultra hard material body disposed on a substrate, the ultra hard material body forming the non-planar cutting face; and

    wherein a radial bearing is formed between a portion of the ultra hard material body and the outer support element.

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