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Centralizer apparatus

  • US 8,245,779 B2
  • Filed: 08/07/2009
  • Issued: 08/21/2012
  • Est. Priority Date: 08/07/2009
  • Status: Active Grant
First Claim
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1. A centralizer apparatus, comprising:

  • a clamp having an inner receptacle configured for coupling to an instrument housing; and

    a plurality of longitudinally aligned elongate fingers extending from the clamp;

    each said finger being convexly arcuate and carrying a roller having a contact surface facing radially outward in relation to a longitudinal centerline through the apparatus;

    each said finger having a tip with a rounded inner surface;

    each said finger including a well configured for receiving an associated roller with a snap-in coupling.

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