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APPARATUS FOR MONITORING JOINTS OF ARTICULATED ROBOT

  • US 20090179766A1
  • Filed: 06/22/2006
  • Published: 07/16/2009
  • Est. Priority Date: 06/29/2005
  • Status: Active Grant
First Claim
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1. An apparatus for monitoring joints of an articulated robot in which a second member is displaceably mounted on a first member, and the joints are monitored for normal or abnormal operation, said apparatus comprising:

  • a range finder provided on the first member;

    a measurement plate provided on the second member, the distance between the range finder and the measurement plate measured by the range finder; and

    a monitoring unit for comparing the measured distance between the range finder and the measurement plate with a reference distance stored in advance, and for producing an abnormality signal when the difference between the measured distance and the reference distance exceeds an allowable value.

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