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    • 2. 发明授权
    • Ball chain and method of manufacturing the same
    • 球链及其制造方法相同
    • US07716911B2
    • 2010-05-18
    • US12323875
    • 2008-11-26
    • Norio NamikiHiroji Takahashi
    • Norio NamikiHiroji Takahashi
    • F16G13/12B21L11/00
    • B21L11/12
    • A ball chain including metal balls with a small wall thickness and can withstand a large tensile load are provided. A method of manufacturing the same includes rounding a piece of metal to form rotation-axis symmetric bodies (22) and connecting the rotation-axis symmetric bodies (22) in a chain-like manner with connecting shafts. Each of the connecting shafts has connecting heads on both end portions. Each of the rotation-axis symmetric bodies (22) has a butt seam (24) in a direction of a rotation axis of the rotation-axis symmetric body and a weld part (25) at least one part of the butt seam (24).
    • 提供一种球链,其包括具有小壁厚并且能够承受大的拉伸载荷的金属球。 其制造方法包括使一块金属四舍五入以形成旋转轴对称体(22),并将链轴对称体(22)与连接轴连接。 每个连接轴在两端部具有连接头。 每个旋转轴对称体(22)在旋转轴对称体的旋转轴线的方向上具有对接接缝(24),焊接部分(25)具有对接接缝(24)的至少一部分, 。