| 摘要 |
The invention relates to a mainspring-type time indicator with an oscillatory movement of the balance wheel that is maintained by means of a moveable escapement (2) with an escapement anchor (3) that rests upon an escapement bridge (4) with a moveable escapement (2) that partially bears the balance wheel (7) and the spiral spring (6) and with an oscillator shaft that is mounted on a lower bearing that is joined to the moveable escapement (2) and arranged on an upper fixed bearing. |
