专利名称：Fastening apparatus for and method of
setting fastening elements
发明人：Hans Gschwend,Martin Noser申请号：US08/862529申请日：19970523公开号：US05836405A公开日：19981117
摘要：Fastening apparatus is formed of a drilling tool (3) for drilling an axiallyextending borehole in a receiving material. The drilling tool (3) has a cutting member (4)at its leading end and its trailing end (5) is arranged to be inserted into a chuck in a handheld drilling device capable of rotating the drilling tool and providing axially directedhammer-like blows. A tubular fastening element (2) has a bore extending between itsleading and trailing ends and is arranged to be anchored in the borehole formed by thedrilling tool. The diameter of the bore in the fastening element is greater than theoutside diameter of a cutting circle formed by the cutting member (4) of the drilling tool(3) . The drilling tool (3) extends axially through the bore in the fastening element so thatits cutting member projects from one end of the fastening element and its trailing endextends outwardly from the trailing end of the fastening element. The drilling tool isrotated by the drilling device, however, the fastening element is not rotated. While theborehole is being drilled by the drilling tool, the trailing end of the fastening element iscontacted by the drilling device, directing hammer-like blow against the trailing end ofthe fastening element so that simultaneously the fastening element is driven into theborehole being formed by the drilling tool. Due to its configuration, the fastening
element is anchored in the borehole. The fastening apparatus carries out a method ofdirectly mounting the fastening element in a borehole, as the borehole is formed by thefastening apparatus.
申请人：HILTI AKTIENGESELLSCHAFT
代理机构：Anderson, Kill & Olick, P
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