Device for controlling the tightening of a fastener and associated control method
FR3161274A1Pending Publication Date: 2025-10-17LISI AEROSPACE
Patent Information
- Application Number
- FR2024003686
- Authority / Receiving Office
- FR · FR
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-10-17
Smart Images
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Abstract
Device for monitoring the tightening of a fastener and associated monitoring method The invention relates to a device (10) for monitoring the tightening of a fastener (12), said device comprising: a rod (14), comprising a flat face (22) and an opposite axial imprint (24); an assembly member (16), capable of being assembled to the rod; and a probe (18) comprising: - a probe body (50), comprising a front face (56), capable of coming into contact with the bottom (26) of the axial imprint of the rod; and - a transducer (52, 80), integral with the probe body, said transducer being capable of sending and / or receiving ultrasonic waves. The axial imprint of the rod comprises a first blocking element (29); and the probe comprises a second blocking element (62), capable of cooperating with said first blocking element. Figure for the abstract: Figure 1
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Citation Information
Patent Citations
FR2212289A1
A screw whose tightness is checked by ultrasound and its calibrating device.
FR2538470A1
Damage detection system and method for detecting damage in fastened structures
US10877003B2
Ultra-sonic transducer assembly incorporated into a printed circuit board for determining tension forces in a bolt
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Sensor element
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