Fastening apparatus for and method of setting fastening elements

The end of the bit (3) opposite its tip (4) fits in a portable rotary hammer-drill, and it passes through the axial bore in the enclosing fixing component (2). The external diameter of the component is greater than that of the circle described by the tip (4). The bit and the component do not rotate...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HANS GSCHWEND, MARTIN NOSER
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING BORING 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 HAND TOOLS HEATING LIGHTING MACHINE TOOLS MANIPULATORS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERCUSSIVE TOOLS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS THERMAL INSULATION IN GENERAL TRANSPORTING TURNING WEAPONS
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Beschreibung
Zusammenfassung:	The end of the bit (3) opposite its tip (4) fits in a portable rotary hammer-drill, and it passes through the axial bore in the enclosing fixing component (2). The external diameter of the component is greater than that of the circle described by the tip (4). The bit and the component do not rotate together during the fixing operation. The axial hammer-blows are transmitted to the component, which is driven into the drilling at the same time as this is being formed. Cutting edge (8) can be provided at the component forward end, which is of different cross-section from that at its rear end.