| 发明名称 | Barrel | ||
| 摘要 | A timepiece barrel includes a drum defining a first compartment and a superimposed second compartment; a first tubular hub secured to a first cover and housed at least partially in the first compartment; a second tubular hub secured to a second cover housed at least partially in the second compartment. Each compartment contains a spring wound into a spiral and an inner first end of which collaborates with the first and second hubs respectively and a second end of which collaborates with the drum. The compartments are open on the side of the covers and the first and second covers are free with reference to the drum and are each provided with peripheral teeth, while the drum has no teeth. | ||
| 申请公布号 | US9335738(B2) | 申请公布日期 | 2016.05.10 |
| 申请号 | US201314383635 | 申请日期 | 2013.03.08 |
| 申请人 | SOWIND SA | 发明人 | Oes Stephane;Calame Laurent |
| 分类号 | G04B1/00;G04B1/10;G04B1/16;G04B1/18;G04B1/20;G04B1/12 | 主分类号 | G04B1/00 |
| 代理机构 | Young & Thompson | 代理人 | Young & Thompson |
| 主权项 | 1. A timepiece barrel, comprising: a drum defining first and second superimposed compartments, a first tubular hub secured to a first cover and housed at least partially in the first compartment, a second tubular hub secured to a second cover housed at least partially in the second compartment, said second tubular hub rotating independently from said first tubular hub, each compartment containing a spring wound in a spiral, one inner end of which cooperates with the first and second hubs, respectively, and a second end of which cooperates with the drum, said compartments being open on the side of the covers, and in that said first and second covers are free relative to the drum and are each provided with a peripheral toothing, while the drum has no toothing. | ||
| 地址 | La Chaux-de-Fonds CH | ||