| 发明名称 | Escapement mechanism for a watch movement | ||
| 摘要 | Escapement mechanism (3) for a watch movement including a pallet lever (7) with a fork (13) and a roller device (4) with an impulse-pin coupled to a balance (2). The fork includes an entry horn (19) and an exit horn (21), the impulse-pin including a first cam portion (12a, 12b) configured to engage the entry horn, and a second cam portion (14a, 14b) configured to engage the exit horn. The first cam portion includes a first cam surface (12a) configured to engage the entry horn on a first level (10a, 10b), and the second cam portion includes a second cam surface (14b) configured to engage the exit horn on a second level (10b, 13b), the first and second levels being staggered in a direction parallel to the axis of rotation (A) of the roller device. | ||
| 申请公布号 | US9152128(B2) | 申请公布日期 | 2015.10.06 |
| 申请号 | US201414487589 | 申请日期 | 2014.09.16 |
| 申请人 | Montres Breguet S.A. | 发明人 | Marechal Sylvain;Beugin Stephane;Karapatis Nakis;Junod Benoit |
| 分类号 | G04B15/08;G04B15/14 | 主分类号 | G04B15/08 |
| 代理机构 | Oblon, McClelland, Maier & Neustadt, L.L.P. | 代理人 | Oblon, McClelland, Maier & Neustadt, L.L.P. |
| 主权项 | 1. An escapement mechanism for a watch movement including a pallet lever with a pallet fork and a roller device with an impulse pin coupled to a balance wheel, the fork including a first horn and a second horn, the impulse pin including a first cam portion configured to engage the first horn, and a second cam portion configured to engage the second horn, wherein the first cam portion includes a first cam surface configured to engage the first horn on a first level and the second cam portion includes a second cam surface configured to engage the second horn on a second level, the first and second levels being staggered in a direction parallel to the axis of rotation of the roller device. | ||
| 地址 | L'Abbaye CH | ||