| 摘要 |
An escapement (1) comprising: a roller (5), a first mobile escapement part (2) comprising first escapement teeth (22) and a second mobile escapement part (3) comprising second escapement teeth (32), a means (29, 39) for mechanically coupling the first mobile escapement part to the second mobile escapement part, and an anchor (4) carrying a first and second pallet stone (42, 43), the roller comprising a third impulse pallet stone (52) cooperating with the first escapement teeth and a fourth impulse pallet stone (53) cooperating with the second escapement teeth.
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