| 摘要 |
The device comprises, for actuating each leaf 1, an electric reduction motor 15 mounted along the pivoting axis 16 of the leaf, inside a lateral upright 6 of this leaf. The output shaft 19 of the reduction motor 15 carries rollers 21 which interact with double inclined ramps 25 belonging to a component 23 secured to the upright 6. The link thus produced makes it possible to drive the leaf 1 in rotation when the latter is free to pivot, and it brings about a limited raising of the leaf when the latter is prevented from pivoting by the presence of an obstacle, such as a stop, in its passage. The raising of the leaf by a height h actuates an end-of-travel electric contact 34 which stops the reduction motor 15. <IMAGE> |
