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Diametral extensometer

  • US 5,563,349 A
  • Filed: 07/29/1994
  • Issued: 10/08/1996
  • Est. Priority Date: 07/29/1994
  • Status: Expired due to Fees
First Claim
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1. A device for determining the diametral changes in a shaft produced by axial loads on said shaft, comprising:

  • a first clamp member adapted to be spaced from and to partially surround the outer periphery of said shaft;

    a first stabilizer pad springably attached to a first end of said first clamp member and adapted to be biased against said shaft;

    a second stabilizer pad springably attached to a second end of said first clamp member and adapted to be biased against said shaft opposed said first stabilizer pad;

    a reference pad fixably attached to said first clamp member between said first stabilizer pad and said second stabilizer pad and adapted to make contact with said shaft;

    a second clamp member attached to said first clamp member and adapted to be spaced from and to partially surround the outer periphery of said shaft;

    a sensor pad springably attached to said second clamp member opposed said reference pad and adapted to be biased against said shaft;

    means for sensing relative movement between said second clamp member and said sensor pad.

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