摘要 |
<p>The assembly has a magnet positioned slightly off-centered with respect to the center of an upper face leveling on a level surface of another magnet. A circular plate (20) is encased in a hollow portion of a support plate. A magnet (21) of the support plate is arranged against the former magnet to allow push by thumb on the support plate at top of the surface to exert sufficient force to draw two magnets, which are stuck opposite to each other.</p> |