| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a hand-operated tool having a holder easily gripped, and rotated with a large torque being applied to easily and positively fasten a screw, etc. <P>SOLUTION: The hand-operated tool 1 which is used by selectively swinging and protruding a plurality of tools 10 to from the holder section 2, is formed of two holder plates 3, 4 facing each other across an interval therebetween, and three joint shafts 20 to 22 connecting between the two holder plates. Each of the two holder plates has three protruding plate portions 6 protruding from a plate central portion 5 in three directions, and the three joint shafts are fixed to the three protruding plate portions, respectively. The tools are swingably supported by the three joint shafts, respectively, and housed in the interval S. The joint shaft 20 is fixed to a location that is deviated from a central line CL1 of the protruding plate portion 6 by a distance x1. Further, the holder section 2 is arranged therein stopper shafts 25, 26 for limiting rocking ranges of the tools, at locations deviated from the central lines CL1, CL2 by distances y1, y2, respectively, on the side opposite to the respective joint shafts in a manner being in parallel with the same. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
