Detection of Changes in Fasteners or Fastened Joints
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United States of America Patent
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Issued Date -
Nov 18, 2010
app pub date -
Apr 14, 2008
filing date -
Apr 12, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This invention relates to the use of a tag device 4 such as a RFID tag 4 communicating with a master tag for indicating acceptable or not acceptable states of a fastener 12, fastened joint 12a, or an assembled product. It is desirable to have a way of learning of a loosened or damaged fastened joint 12a or fastener 12 immediately, for safety or security purposes. This invention can indicate to a user by remote activation when a change in a fastened joint 12a or fastener 12 is present by attaching at least one tag device 4 utilizing go/no go sensing to the fastened joint 12a or fastener 12 and using a device 14 capable of receiving signals from the tag device 4.
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