| 摘要 |
<p>The apron (2) has a connection device (8) arranged between lateral ends of the apron and connecting two fixed slats (5) of the apron via connection units (80') e.g. hooks, of the connection device. The fixed slats comprise complementary connection units (50') e.g. hooking grooves, which co-operate with the connection units of the connection device. Movable slats (6) are articulated between a closed position, in which the movable slats are extended in an extension plane of the apron, and an open position in which the movable slats are inclined with respect to the plane.</p> |
