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Linkage assembly for in-line inspection tool

  • US 9,804,132 B2
  • Filed: 02/04/2016
  • Issued: 10/31/2017
  • Est. Priority Date: 02/10/2015
  • Status: Expired due to Fees
First Claim
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1. A sensor system comprising:

  • a central body defining a central axis; and

    a plurality of sensor assemblies mounted to the central body and distributed circumferentially around the central axis, each sensor assembly of the plurality of sensor assemblies including—

    a sensor body having at least one sensor mounted thereto; and

    first and second linkage assemblies mounted to the sensor body having the at least one sensor positioned between the first and second linkage assemblies, each linkage assembly of the first and second linkage assemblies including (a) a first link, (b) a second link, (c) a first pivot coupling the first link to the central body, (d) a second pivot coupling the second link to the first link, (e) a third pivot coupling the second link to the sensor body, and (f) a block positioned to prevent rotation of at least one of the first and second links about one of the first, second, and third pivots in response to urging of the sensor body away from the each linkage assembly.

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