| 摘要 |
<p>A Compressor Bar for a Lever-Arch Type File Mechanism A compressor bar (114, 214, 314) for a lever-arch type file mechanism (104, 204, 304) is disclosed as including a base (117, 217, 317) with two openings (118), a pair of resilient rods (120) carried by the base (117, 217, 317), a button (122) operable to change the relative position of the pair of rods (120), and a resilient cylindrical holder (116, 216, 316) for releasably holding a writing instrument, such as a pen (119, 219, 319).</p> |
