| 摘要 |
Device for fixing a shoe (2) to an apparatus (20), said device comprising at least a magnet means (11, 12) integral with the apparatus (20) and a closure plate (30) made of magnetic metal integral with the shoe (2); the holes of the magnet means (11, 12) are each flanked with an armature plate (13-15, 14-16) of magnetic metal, the two armature plates (13-15, 14-16) cooperating with the closure plate (30) for closing the magnetic field. |
