Lockbolt

A lockbolt for installation into apertured workpiece members, comprises a pin 4 having a head and a tail end provided with locking grooves 18 and a single pull groove 20, and a collar 10. An installation tool 100 having a collet with a corresponding shape to the pull groove 20 is used to apply an in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JONATHAN LEE BREWER, CARL HERSANT
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING 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 FORGE FURNACES FORGING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAMMERING HEATING LIGHTING MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PRESSING METAL PUNCHING METAL RIVETING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A lockbolt for installation into apertured workpiece members, comprises a pin 4 having a head and a tail end provided with locking grooves 18 and a single pull groove 20, and a collar 10. An installation tool 100 having a collet with a corresponding shape to the pull groove 20 is used to apply an increasing pulling force to the pin tail, thereby to push the collet towards the workpiece, and as the force, causing the collar 10 to be swaged into the locking grooves 18. The force applied by the tool 100 is halted either at a predetermined maximum value or when the pin tail breaks at a breaker groove formed by the single pull groove 20.