| 摘要 |
An automatic self-adjusting balancing device for a member mounted for rotation around a vertical spindle comprising a hollow housing rotating with said member and having an inner circular wall component which is coaxial with the spindle; at least two loose rotational bodies within said housing, each body having a circular rim edge which spans said vertical spindle, said rim edge having a smaller diameter on its upper side than on its lower side, at least one of said bodies being tiltable about its larger diameter against said inner wall component of said housing. |
