发明名称 Reversible drill/driver tool
摘要 An improved two-ended reversible drill/driver tool for use with power drills. The tool having a hollow cylindrical socket that at one end has a drive shank for insertion into a chuck of a powered drill, and, at the opposite end, has a polygonally shaped opening therein for receiving a correspondingly shaped, two-ended, reversible tool assembly. This tool assembly is sized to slide within the hollow socket, and has a combined drill bit and countersink at one end, and, at the other end, a polygonally shaped opening for accepting a screw driver bit having a shank with a polygonal cross section.
申请公布号 US5470180(A) 申请公布日期 1995.11.28
申请号 US19940236992 申请日期 1994.05.02
申请人 JORE, MATTHEW B. 发明人 JORE, MATTHEW B.
分类号 B23B31/107;B23B51/10;B25B15/02;B25B21/00;B25B23/00;B25F1/02;B25F3/00;B25G1/08;(IPC1-7):B23B31/10 主分类号 B23B31/107
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