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    • 102. 发明授权
    • Electrical switch
    • 电气开关
    • US3772483A
    • 1973-11-13
    • US3772483D
    • 1972-06-28
    • HAMPDEN ENG CORP
    • FLYNN DLUNDEN W
    • H01H21/42H01H25/00H01H21/40H01H5/00H01H9/20
    • H01H21/42H01H25/00
    • An electrical switch for selectively connecting a plurality of power supplies with a circuit, and comprising a series of pairs of blade-like contacts for power supply inputs and a pair of elongated bus bars for circuit output. A slotted face plate carries a slide which in turn supports a rotary contact assembly comprising wipers in a U-shaped configuration. The wipers engage the blade-like contacts and the bus bar to connect a selected power supply to the circuit on rotation of the contact assembly. A positive turning action on a control knob is required to overcome a tension spring and effect a snap-action closing operation of the rotary and fixed contacts. Further, the knob serves to lock the slide at each of the several switching stations, a positive linear knob movement being required for release of the locking action and movement between the stations, the knob being inoperable to close between stations.
    • 一种电开关,用于选择性地将多个电源与电路连接,并且包括用于电源输入的一系列成对的叶片状触点和用于电路输出的一对细长母线。 开槽面板带有滑块,滑块又支撑包括U形构造的擦拭器的旋转接触组件。 擦拭器接合刀片状触点和汇流条,以在接触组件旋转时将所选择的电源连接到电路。 需要在控制旋钮上的正向转动作用来克服张力弹簧并且实现旋转和固定触点的快动关闭操作。 此外,旋钮用于在几个切换站中的每一个处锁定滑块,需要正的线性旋钮运动来释放锁定动作和站之间的移动,该旋钮不能在站之间关闭。