| 摘要 |
The device (1) has a rear support element (29) relatively articulated with respect to a base (3) at a rear end (4), so that the support element is folded into the base or deployed. A self-supporting stop (49) limits deployment of the rear support element with respect to the base, where the stop is arrested to the base and the deployment of the rear support element is limited by action of the stop along a longitudinal direction (L). The stop is transversely flexible so as to match the shape of the rear support element when the rear support element is deployed to a rear side. |
