| 摘要 |
<p>The fastener (1) has a locking area (3), and a fastener blade (4) extending perpendicular to the locking area. The blade includes a locking hole (6) in an area of its free end (5). The positioning of the locking hole is so selected that the locking hole aligns with an opening of a butterfly blade in a mounted condition at the butterfly-fastener system. Another fastener blade (11) is arranged parallel to the fastener blade (4).</p> |
