摘要 |
<p>The system has a transverse bar (3) for assuring the closing and blocking of a right batten (1a) and a left batten (1b) of a shutter in a horizontal position. The bar is mounted in a pivoting device (4) ensuring, at the bar, a vertical position in which the batten is free and the horizontal position in which the batten is blocked. The pivoting device has a slider in which the bar is placed, where the slider is movable around a rotational point.</p> |