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    Blown fuse indicators
    10.
    发明授权
    Blown fuse indicators 失效
    BLOWN保险丝指示器

    公开(公告)号：US3794948A

    公开(公告)日：1974-02-26

    申请号：US3794948D

    申请日：1970-10-02

    申请人： FUSE INDICATOR CORP

    发明人： LINTON J ,  BERRY G

    IPC分类号： H01H85/32

    CPC分类号： H01H85/32

    摘要： A dead front electrical blown fuse indicator for all standard cartridge enclosed fuses of both the ferrule and knife-blade types each comprising a casing or tube molded from insulating materials having an indicator lamp and contact terminal connected in series encased within the tube and said tube being opaque as to prevent the lamp and its electrical connections from being visible and yet being sufficiently translucent as to permit the lamp to glow over a wide area so as to be visible at all angles and at great distances from the tube. Resilient conductors electrically connected to said terminal for the lamp and each having a cantilever connection with the tube for causing the free ends of said resilient conductors to have a direct and positive snap-on electrical contact with the outer walls of the terminals of a fuse even when the fuse is subjected to undue vibration or shock. Said tube having sufficient tensile strength so as to prevent the bending or breakage of the tube due to its repeated application to and withdrawals from a fuse.

    摘要翻译： 用于套管和刀片类型的所有标准盒式封闭式熔丝的死前电熔丝保险丝指示器，每个包括由绝缘材料模制的壳体或管，所述绝缘材料具有指示灯和接触端子，所述接触端子串联连接在管内并且所述管为 不透明的，以防止灯及其电连接不可见并且足够半透明以允许灯在大面积上发光，以便在与管的所有角度和距离很远的距离处是可见的。 电连接到所述灯的所述端子的弹性导体，并且每个具有与所述管的悬臂连接，用于使所述弹性导体的自由端与保险丝的端子的外壁直接且正的卡扣电接触，甚至 当保险丝受到不适当的振动或冲击时。 所述管具有足够的拉伸强度，以防止由于其重复施加和从保险丝取出而导致管的弯曲或断裂。