| 摘要 |
<p>A device (20) for driving and damping telescopic guards (1) comprises a plurality of box-shaped cover elements (2) which slide inside each other in a direction (F). Each box-shaped element (2) has a rear edge (2d) and is connected to each box-shaped element (2) adjacent to it by a leaf spring (61) attached close to the rear edge (2d) of each box-shaped element (2) and by a guide rod (7) which slides in a friction element (10) attached to an adjacent box-shaped element (2). Two circular, bellows (12a, 12b) are fitted round the rod (7). <IMAGE></p> |
