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    Operation mechanism of switch having three positions of operation
    2.
    发明公开
    Operation mechanism of switch having three positions of operation 失效
    Bettertigungsmechanismusfüreinen Schalter mit drei Schaltstellungen。

    公开(公告)号：EP0621613A1

    公开(公告)日：1994-10-26

    申请号：EP94105585.7

    申请日：1994-04-11

    申请人： MITSUBISHI DENKI KABUSHIKI KAISHA

    发明人： Inoue, Takakazu, c/o Mitsubishi Denki K. K.

    IPC分类号： H01H3/44 ,  H01H33/46

    CPC分类号： H01H3/44

    摘要： In an operation mechanism of a switch having three positions of operation, when a first driving crank (42) is rotated and is engaged with a recess (41C) of a driven lever (41) at a roller disposed on the crank, revolution of a second driving crank (52) is obstructed by a plate member (42G) mounted on the first driving crank. In a similar manner, when the second driving crank is rotated and is engaged with the recess of the drive lever, the revolution of the first driving crank is obstructed by a plate member (52G) of the second driving crank. Therefore, even if the first driving crank or the second driving crank is erroneously operated, erroneous operation of the switch is prevented.

    摘要翻译： 在具有三个操作位置的开关的操作机构中，当第一驱动曲柄（42）旋转并且在设置在曲柄上的辊上与从动杠杆（41）的凹部（41C）接合时， 第二驱动曲柄（52）被安装在第一驱动曲柄上的板构件（42G）阻挡。 以类似的方式，当第二驱动曲柄旋转并与驱动杆的凹部接合时，第一驱动曲柄的转动被第二驱动曲柄的板构件（52G）阻挡。 因此，即使第一驱动曲柄或第二驱动曲柄被错误地操作，也能够防止开关的错误动作。