| 摘要 |
This structure comprises an upright (1), a sliding block (3) sliding on the upright (1) along an axis (X~X'), and at least a collapsible leg (5) associated with a jointed structure (7). This structure comprises, seen according to a direction (Y-Y') different from said axis (X-X'), a jointed deployment triangle (21) having a first side (22) delimited by a first joint (23) located on the upright (1) and a second joint (25) located on a point o f the sliding block (3). The first joint (25) or the second joint (23) compris es two points of joint (35) separated according to said direction (Y-Y') so tha t the side of the deployment triangle (21) which is jointed at these two point s (35) constitutes a rigid guiding triangle (29) defined by these two points(3 5) and by a third joint (31). Application to the collapsible s tructures of children pushchairs.
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