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    • 3. 发明申请
    • SHOCKPROOF CENTRE WHEEL
    • 防震中心轮
    • US20140226447A1
    • 2014-08-14
    • US14175506
    • 2014-02-07
    • ETA SA MANUFACTURE HORLOGÉRE SUISSE
    • Pascal LAGORGETTERaphael BALMER
    • G04B17/20
    • G04B17/20G04B13/021G04B35/00
    • Shockproof timepiece wheel for driving a component having non-zero unbalance relative to a pivot axis of this wheel, this wheel includes, on the one hand, an arbour for pivotally guiding the wheel about this pivot axis, and on the other hand, a drive means arranged or assembled on a flange of this wheel, this wheel including at least one flexible element between this arbour and this flange. This flange includes a cylindrical shoulder cooperating in abutment for centring purposes with a complementary cylindrical shoulder comprised in this arbour to ensure the perfect concentricity of this drive means (7) with this arbour.
    • 用于驱动相对于该车轮的枢转轴线具有非零不平衡的部件的防震时钟轮,该轮一方面包括用于围绕该枢转轴线枢转地引导车轮的心轴,另一方面,驱动 在该轮的凸缘上布置或组装的装置,该轮包括在该心轴与该凸缘之间的至少一个柔性元件。 这个凸缘包括一个圆柱形的肩部,与圆心轴承配合,用于与这个心轴包括的互补的圆柱形肩部对准,以确保该驱动装置(7)与该心轴的完美的同心度。