| 摘要 |
A guide rail device includes a guide rail adapted to be disposed in an inner surface of a C-column and having a rail body and a connecting part disposed at a bottom of the rail body. The connecting part has two symmetrical projecting studs respectively projecting frontward and rearward. A connecting seat is connected to the bottom of the rail body, and has a seat body adapted to be disposed at one end of a winding shaft, and two symmetrical engaging portions provided on the seat body. The projecting studs are respectively inserted into the engaging portions in a top-to-bottom direction.
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