发明名称 Driver tool
摘要 A driver tool utilizing a sleeve which fits within and rotates with an elongated shaft. Driving bits are held to the sleeve and turned by the action of the rotating shaft. A handle which is expandable connects to the elongated shaft.
申请公布号 US4448097(A) 申请公布日期 1984.05.15
申请号 US19810329303 申请日期 1981.12.10
申请人 ROCCA, DAVID 发明人 ROCCA, DAVID
分类号 B25B15/04;B25B23/16;B25G1/00;B25G1/08;B25G1/10;(IPC1-7):B25B13/46 主分类号 B25B15/04
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