| 摘要 |
The invention relates to an articulation device (1) of an opening (2) on a frame (3), wherein said device comprises two coaxial casings (4, 5) moveable relative to each other about a rotation axis R, the first casing (4) comprising electromagnetic means for electromagnetically blocking the second casing (5), characterised in that both casings (4, 5) are at least partially concentric, said first casing (4) being provided at least partially within said second casing (5). |
