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Method and Device for Detecting Crack Formation in a Hoisting Member

  • US 20130241736A1
  • Filed: 10/17/2011
  • Published: 09/19/2013
  • Est. Priority Date: 10/16/2010
  • Status: Active Grant
First Claim
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1. A method for detecting crack formation in a hoisting member, comprising the steps of:

  • measuring a stress under load at least at two points of the hoisting member,comparing the measured stresses, andgenerating a warning signal when the measured stresses differ too much from each other.

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