| 摘要 |
<p>The device (100) has a fan grill (10) and a header (20), where a filter pad (40) is insertable between the fan grill and the header. The fan grill is arranged in the header by using a joint-like connection. The fan grill has a pivot bolt (11) for forming the joint-like connection, where the pivot bolt guides a pivot bolt guiding structure in the header. The pivot bolt guiding structure connects a closing position, a foldable locking position and a removal position with one another.</p> |
