| 摘要 |
<p>PURPOSE: A retractable covering for doorways, archways, and the like is provided to enable a trolley to move without damaging a panel. CONSTITUTION: A retractable covering(30) for doorways, archways, and the like comprises a head rail(32), a fixed rail(40), and a movable rail(42). The head rail is mounted on the opening of a building across the uppermost frame member. The head rail supports horizontally collapsible shading panel(34). The fixed rail is formed to be able to be fixed to the side of the opening of a building and the side of the panel. The movable rail is fixed to the opposite side of the panel and is formed to be able to move along the length of the head rail.</p> |
