SELF-CUTTING UNDERCUT ANCHOR

The invention proposes forming expansion elements (13) of an expansion sleeve (9) of a self-cutting undercut anchor (1) comprising forwardly projecting bracket elements (20) which can be pivoted outwards by bending such that they adapt to an "incline" of a frustoconical expansion body (7)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LEHMANN, David, LINKA, Martin, ECHLE, Benjamin
Format:	Patent
Sprache:	eng ; fre ; ger
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 proposes forming expansion elements (13) of an expansion sleeve (9) of a self-cutting undercut anchor (1) comprising forwardly projecting bracket elements (20) which can be pivoted outwards by bending such that they adapt to an "incline" of a frustoconical expansion body (7) of the undercut anchor (1) such that they rest flat against the expansion body (7), instead of resting thereagainst with a circumferential edge. The bracket elements (20) have a lever arm in relation to cutting edges (18) of the expansion elements (13), which lever arm increases an expansion force.