| 摘要 |
<p>PURPOSE:To select whether the grating of a veranda handrail is set to the opened state for obtaining ventilation, a fine view, and the light collecting property or it is set to the closed state for holding the isolating property of an accommodation space as required. CONSTITUTION:The second grating plate 16 provided with window sections 16a at the same pitch as that of window sections 15a is arranged movably by rails 13, 14 on the rear side of the first grating plate 15 provided with many window sections 15a. The window sections 15a of the first grating plate 15 can be opened or closed by the movement of the second grating plate 16.</p> |
