Fixing member comprising an integrity control system
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United States of America Patent
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Jul 24, 2007
Grant Date -
Sep 7, 2006
app pub date -
Aug 7, 2003
filing date -
Oct 30, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention concerns a fastening member comprising a threaded part (150) and a head (100) with which the threaded part can be turned in order to tighten the fastening member in a corresponding element. The head (100) is formed of a plate (110) in one piece with the threaded part (150) and a cap (120) covering said plate. The cap (120) comprises a recessed portion (121) in which an offset is provided to form a housing (128). The plate (110) comprises a guide finger (111) located inside the housing (128) to form a stop against which the cap presses in order to impart a rotational movement to the plate in the tightening direction. The cap (120) further comprises a remotely interrogatable electronic component (130) comprising a data storage means (132). Said component is held in the recessed portion (121) with its end (133) protruding into the housing (128) so as to strike against the guide finger (111) and cause the fracture of the component when any attempt is made to unscrew or untighten the fastening member.
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