| 摘要 |
A foldable frame (1), particularly for pushchairs, prams and the like, comprising a supporting framework (2) which has two sides (3), which are mutually interconnected by an articulated structure, each side having a rear upright (4b) and a front upright, associated with a respective handle tube, which are mutually articulated and associated in a downward region respectively with a front wheel assembly and a rear wheel assembly (5b), the supporting framework being adapted to pass from an extended or open condition to a collapsed or closed position and vice versa, reaction means (10) being provided which act between at least one pair of engagement elements (10a, 10b) of the supporting framework (2) which can move with respect to each other during the transition from the open condition to the closed condition and vice versa, the reaction means (10) being adapted to reverse the action applied to the at least one pair of engagement elements (10a, 10b) during the transition of the frame (1) from the open condition to the closed condition and vice versa. |
