| 摘要 |
<p>The invention is an automatic locking and releasing device for curtains, comprising a rotary cam (C) directly or indirectly hinged into the sliding guide (G) of the lower rod (A) of the curtain and at least one terminal element (T) applied to the end of said lower rod (A) of the curtain, and wherein said terminal element is provided, on the edge (Tb) sliding inside the guide (G), with projections (T1, T3) and seats or grooves (T2) suited to be engaged and prevent the rotation of, rotate or allow the rotation of said rotary cam (C) so as to allow the passage of the terminal element (T) beside the rotary cam (C) or lock said terminal element (T) on said rotary cam (C).</p> |
