| 摘要 |
<p>The slide (1) has two sections (6A, 6B) including bases from where two wings are extended parallely between each other. A maintaining unit (8) maintains the sections in elongation from each other, and aligns the bases and the wings of the sections from interior and exterior of the slide. The unit has a centering tab inserted interiorly along the bases of the sections, and a slit cooperating with an edge of the wings.</p> |
