| 摘要 |
The invention concerns an automatic device for indexed guiding of an articulated part (2) about an axis (3), on a part fixed about said axis (3), said device (1) consisting of a mechanism with ratchet wheel action of the releasable type, said mechanism comprising: a pawl (7) guided in translation on one (2) of the parts which are the mobile part (2) and the fixed part; a toothed member associated with the other part (4); an elastic member (9) urging the pawl (7) towards the toothed member; at least automatic means controlling the pawl (7) for its release. |
