| 摘要 |
PROBLEM TO BE SOLVED: To provide work tool capable of rotating bolts/nuts differed in size with the minimum number of tools. SOLUTION: In this work tool, a body socket part for rotating a bolt or nut is formed at the tip of a handle. An attachable and detachable socket has a connection part attachable to and detachable from this body socket part at one end, a first socket part for rotating the bolt or not, which is formed at the other end thereof, and an a second socket part smaller in inside diameter than the first socket part, which is housed in the first socket part so as to be inserted and pulled out. The body socket part itself is used for the rotating work of a bolt/nut of prescribed size. In the rotating work of bolts/nuts of different sizes, an attachable and detachable socket having a size fitted thereto is selected, and its connection part is fitted to the body socket part. When the second socket part is retreated backward, the first socket part is used, and when the second socket part is pulled forward, the second socket part is used. COPYRIGHT: (C)2004,JPO
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