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    • 7. 发明授权
    • Drain plug linkage device
    • US09945105B2
    • 2018-04-17
    • US14246684
    • 2014-04-07
    • Xiamen Lota International Co., Ltd.
    • Liming YeJianping ZhouYan Zhang
    • E03C1/23
    • E03C1/2302
    • In the invention a drain plug linkage device (100) is provided, comprising: a drain plug (4) at least partially disposed in a pipe body (5); a pull rod assembly including a pull rod, a link rod (2) and a pull rod connector (9), wherein the link rod (2) at its upper end comprises a receiving portion, the pull rod connector (9) comprises a central hole and adapted to be snapped into the containing portion, and the pull rod at its bottom comprises a snap portion adapted to be snapped into the central hole; and a lever member (3) comprising a first end operatively connected to the link rod (2), and a second end extending into the pipe body (5) and configured to operate the drain plug (4); wherein the receiving portion comprises an expansion portion (22) for expanding the central hole, and the pull rod connector (9) is configured, when snapped into the receiving part, to be movable between a position where the central hole is unexpanded and a position where the central hole is expanded by the expansion portion (22).