Attachment bolt for positive locking

The invention relates to an attachment bolt (10) including: a screw (11), said screw comprising a threaded portion (17) and an end portion (18) having a diameter (19) that is smaller than that of the threaded portion, an end surface (21) of said end portion, including a transverse through-groove (22...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	PAILHORIES GUY
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 GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to an attachment bolt (10) including: a screw (11), said screw comprising a threaded portion (17) and an end portion (18) having a diameter (19) that is smaller than that of the threaded portion, an end surface (21) of said end portion, including a transverse through-groove (22); a nut (30) comprising a tapered body (32) and a non-tapered crown( 34) having at least two diametrically opposite holes (35) drilled therein; a pin (23) suitable for being inserted in the groove of the screw and in the two holes of the nut in order to lock the bolt; the tapered body of the nut comprises a driving portion (38) as well as a chimney (34) that is less thick than the driving portion; the nut results from a method including elliptically deforming the chimney from a circular shape.