发明名称 Spanner with high strength grip has at least one end of grip provided with holding section for screwing nut, bolt or similar, holding section forming flat screw engagement surface
摘要 The scanner (20) with a high strength grip has at least one end of the grip (22) provided with a holding section (24,26) for screwing a nut, bolt or similar. The holding section forms a flat screw engagement surface. A first flat surface (30) is axially formed on the grip and has a cross-section which mainly runs to the screw engagement surface. The grip has two second flat surfaces (32), which are formed on the two sides of the first flat surface along the axis of the grip. The second flat surfaces and the first flat surface enclose a large angle and the second flat surfaces are formed along the complete length of the grip.
申请公布号 FR2817787(A3) 申请公布日期 2002.06.14
申请号 FR20000016237 申请日期 2000.12.13
申请人 HSIEH SHIH KUEI 发明人 HSIEH SHIH KUEI
分类号 B25B13/04;B25B13/08;B25G1/10;(IPC1-7):B25B13/02 主分类号 B25B13/04
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