| 摘要 |
PROBLEM TO BE SOLVED: To provide a driver for generating large hitting force by lengthening a driving stroke without lengthening the total length. SOLUTION: This driver is composed of a cylindrical driver body A having on the tip a nail holder (a support part) 2 for supporting a nail (a driving body) N in a driving attitude and a hitting body slidingly installed in the shaft direction in the driver body A and hitting the nail N by a hitting part on the tip. The hitting body is composed of respective relatively slidable and extensible outside-inside hitting tool single bodies 10 and 20. COPYRIGHT: (C)2004,JPO&NCIPI
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