| 摘要 |
The anti-trip device for a timepiece escapement essentially includes a sprung balance (1), this device preventing the angular extension of said balance beyond a normal angle of rotation. The device is characterized in that the arbour (2) fitted to the balance (1) is provided with a pinion (3) meshing with means (4) preventing said balance from rotating beyond said normal angle of rotation, whatever the direction of said rotation.
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