| 摘要 |
<p>The working part (20) of the spanner has a second side (202) with a surface slanting relative to its first side (201), so that an angle is defined between the slanting surface and first side. A fixed jaw (21) and a slide groove (22) are provided in the working part, an adjustment screw (23) is rotatably mounted in the spanner body (10) and a movable jaw (24) is movably connected to the working part. A toothed bar at one end of the working part can be moved along the groove to engage with the screw.</p> |
