| 摘要 |
<p>The file holder files documents delivered from a printing machine. The documents have two sets of side perforations to advance in the printing press. The holder has two rigid angle plates (1,2) pivoted together at the free wall (5,7) of a web. The plates can be in one of two positions. In one, the parts form a U, and, in the other, the adjacent webs near the pivot (3) fold against each other, to form a reversed T. The webs (11,12) opposite the pivot are firmly fixed to curved pins (13,14). There is a locking rod (4,6,8).</p> |
