| 摘要 |
<p>Automatic opening screen device (10) of the type comprising a first upright (11) and a second upright (12) parallel to each other and a screen (19) having opposite ends associated with said uprights (11, 12), at least one of said uprights (11, 12) being mobile with respect to the other starting from a first position of mutual contact, in which said screen (19) is closed, to a second position of maximum distance, in which said screen (19) is open; in which a weight (16) is housed in one of said uprights (11, 12), said weight (16) being mobile between a first raised position, when said screen (19) is closed and said uprights (11, 12) are in mutual contact, and a lowered position, when said screen (19) is open and said uprights (11, 12) are spaced, so that during its spontaneous fall it imparts a translatory displacement to said mobile upright (11, 12), automatically opening the screen device (10).</p> |
