摘要 |
<p>The securing part (50) has a blocking section (52) including a wall section that extends during utilization of a safeguard part of bottom sections (30, 40). The wall section is viewed in direction transverse to traveling distance of leaves (10, 20) in a predetermined opening position of the leaves. The wall section partially overlaps the leaves and extends along surfaces (10a, 20a) of the leaves within overlap regions (13, 23). The wall section is arranged predetermined maximum distance to the surfaces.</p> |