| 摘要 |
<p>The invention relates to a device (200) for temporarily blocking access to a ladder (100), the ladder comprising rails (120, 122) and a series of steps including at least one lower step (102) and at least one upper step (104), the device comprising a means (210) for blocking access to the ladder, a means (220) for stowing the blocking means, and a means (230) for attaching the stowing means (220) onto the rails (120, 122) of the ladder, below the lower step. Said device is characterized in that the blocking means (210) is flexible and capable of occupying at least two positions, i.e. a position for blocking access to said upper step (104), and a position for enabling access to said upper step (104).</p> |
