| 摘要 |
<p>The screw nut (10) has a section (11) with a through opening and another section with another opening having an opening contour. The sections are rotatably connected around a rotational axis passing through the openings. The openings overlap each other. The opening contour of the latter opening is not round. An independent claim is also included for a combination of a bolt with a screw nut.</p> |
