| 摘要 |
<p>The accessory has a spacer ring (32) on which a wing of a threshold bar (14) is supported. The spacer ring is provided with a head (34) inserted into an opened longitudinal slide such that the spacer ring extends from a side of the slide, where the slide allows insertion of heads of fixing nails of the threshold bar. The ring includes a horizontal plate portion integrated with the heads of the fixing nails of the threshold bar, and a vertical plate portion arranged from a side of the horizontal plate portion.</p> |
