| 摘要 |
<p>The installation comprises at least one leaf 1 driven in rotation about a vertical axle 24 by means of a motor device comprising a driving shaft 6. The leaf can be locked by displacement in translation. The drive means comprise a first guide element 23 in which the pivot axle 24 moves, and a second guide element 19 ensuring, together with the first guide element, a combined movement of rotation and translation of the leaf. The driving shaft 6 supports a mobile element 21 ensuring the driving of the leaf by rolling in the second guide element 20. The locking and unlocking are ensured by a rectilinear part of the guide elements. <IMAGE></p> |
