| 摘要 |
<p>A pull-down bed assembly including a movable frame which constitutes the bedspring and is pivoted to a fixed frame so as to define a closed vertical position, in which the movable frame is substantially in a vertical position, and an open horizontal position, for use as a bed, in which the movable frame is in the horizontal position; the assembly has a balancing system, which is adapted to control the movement of the movable frame with respect to the fixed frame. The balancing system is constituted by springs with a respective transmission mechanism, which are arranged within the fixed frame and the movable frame and are not visible from the outside both in the closed position and in the open position of the movable frame.</p> |
