| 摘要 |
Timepiece device for simultaneously resetting to zero two time counters, particularly for a chronograph mechanism, each of the two time counters pivoting about an arbour secured to a cam (6b, 8b), the simultaneous zero reset device (1) including a lever (4) with two hammers (6, 8), which are applied against the respective cams (6b, 8b) when the two time counters are reset to zero, at least one pin (10, 12) used to guide the lever (4) with two hammers (6, 8) being secured to said lever (4) and moving in a shaped aperture (24, 26) made in a bridge (28), characterized in that a ring (16a, 16b, 16c) is mounted to rotate freely about the pin (10, 12) and is inserted between said pin (10, 12) and the shaped aperture (24, 26) in which said pin moves.
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