| 摘要 |
<p>The locking device for blinds and the like comprises a fixed stop (1,4,5) secured to an upright (2) of a door or window to be closed by the blind and a movable part (8) in the manner of a catch, mounted on one of the slats (3a) of the said blind and adapted to assume a protruding position (Fig. 3) in which it may be blocked by the stop (5) when the blind is pry opened from its lower side, and a withdrawn position (Fig. 5) in which it can surmount the stop (5) when the blind is raised by rolling it up, the catch-like movable part (8) having its gravity center point offset towards a side and upwards of the plane where the articulation axis (7) thereof is located, such that the said movable part (8) tends to assume a blocking, protruding position under the action of gravity.</p> |
