RIVETING SCREW TACK AND USE THEREOF FOR TEMPORARILY FIXING A BORING GRID TO ELEMENTS TO BE ASSEMBLED

The invention relates to a riveting tack (50) to be introduced into coaxial openings of at least two elements to be assembled, and comprising a hollow cylindrical body (51), a rod (53) passing through the hollow body and partially provided with an external thread (52a), a bolt (54) mounted on the th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ROUSSY, MARC, PROT, PHILIPPE
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AIRCRAFT AVIATION BLASTING BORING COSMONAUTICS DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING ORREPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLYADAPTED FOR USE IN CONNECTION WITH AIRCRAFT HAND TOOLS HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFTCOMPONENTS, NOT OTHERWISE PROVIDED FOR HEATING LIGHTING MACHINE TOOLS MANIPULATORS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING TURNING WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a riveting tack (50) to be introduced into coaxial openings of at least two elements to be assembled, and comprising a hollow cylindrical body (51), a rod (53) passing through the hollow body and partially provided with an external thread (52a), a bolt (54) mounted on the threaded end (53a), two half-clips (56) fixed to the rod (53) and comprising hooking lips (57) on the ends thereof, and a spacer (58) arranged between the two half-clips (56), the rod/half-clip set being axially mobile along the spacer (58) between a first position wherein the hooking lips (57) are radially close, and a second position wherein the two half-clips (56) are retracted inside the hollow body (51) and radially distanced from each other. The invention is characterised in that the set formed by the half-clips (56) and the spacer (58) is, in the cross-section thereof, in the form of a near-perfect circle having a diameter identical to the internal diameter of the openings. La présente invention se rapporte à une agrafe d' épinglage (50) destinée à être introduite dans des orifices coaxiaux d'au moins deux éléments à assembler et comportant un corps cylindrique creux (51), une tige (53) traversant le corps creux et présentant une portion munie d'un filetage externe (53a), un écrou (54) monté sur l'extrémité filetée (53a), deux demi pinces (56) solidaires de la tige (53) et présentant des becs d'accrochage (57) à leur extrémité, et un écarteur (58) disposé entre les deux demi pinces (56), l'ensemble tige/demi pinces pouvant être déplacé axialement le long de l' écarteur (58) entre une première position dans laquelle les becs d'accrochages (57) sont rapprochés radialement, et une seconde position dans laquelle les deux demi pinces (56) sont rétractées à l'intérieur du corps creux (51) et écartées radialement, caractérisée en ce que l'ensemble formé par les demi pinces (56) et l' écarteur (58) présente, en coupe, la forme d'un cercle quasi-parfait dont le diamètre est identique au diamètre interne des orifices.