| 摘要 |
<p>Safety device for venetian blinds comprising a locking hook which can rotate on a listel of the blinds that prevents its lifting from the bottom, by interfering with a hook fastened to its running guides, yet which when lifted normally from the top, by pulling a cord secured to an upper listel, it flattens out against the blind, disengaging from the fixed hook. <IMAGE></p> |
