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    • 6. 发明授权
    • Circuit interrupter with detachable optional accessories
    • 具有可拆卸选购附件的断路器
    • US4595812A
    • 1986-06-17
    • US652627
    • 1984-09-20
    • Shigemi TamaruKiyomi Yamamoto
    • Shigemi TamaruKiyomi Yamamoto
    • H01H73/02H01H71/02H01H83/20H01H45/02H01H45/08
    • H01H83/20H01H71/0228H01H2011/0037H01H2071/0242H01H2071/086
    • A circuit interrupter comprises a housing including a housing wall, an interrupting mechanism including a pair of separable contacts and an operating mechanism, and an optional accessory unit used in connection with an opening operation of the interrupting mechanism. The optional accessory unit may be a unit which includes a movable member operable in connection with the opening operation of the interrupting mechanism, such as an alarm switch, an auxiliary switch, a voltage trip device or an under voltage trip device. The optional accessory unit may be a connecting terminal block connectable between an external circuit and the circuit interrupter. The housing has formed in the outer surface thereof a receptacle cavity for receiving therein the optional accessory unit. When the unit is received in the cavity, no substantial portion of the unit projects from the housing. A fastening means comprises a slider, a guide rail engaging the slider for allowing a sliding movement of the optional accessory unit only in the direction of extension of the guide rail, and a screw for securing the optional accessory unit to the housing wall.
    • 电路断路器包括壳体,壳体包括壳体壁,包括一对可分离触点的中断机构和操作机构,以及与中断机构的打开操作相关联地使用的可选附件单元。 可选附件单元可以是包括可与断续机构的打开操作相结合的可移动部件的单元,例如报警开关,辅助开关,电压跳闸装置或欠压跳闸装置。 可选附件单元可以是可连接在外部电路和断路器之间的连接端子块。 壳体在其外表面上形成有用于在其中容纳可选附件单元的插座腔。 当单元被接收在空腔中时,单元的大部分不从壳体突出。 紧固装置包括滑块,与滑块接合的导轨,用于允许可选附件单元仅在导轨的延伸方向上滑动,以及用于将可选附件单元固定到壳体壁的螺钉。