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    • 78. 发明授权
    • Miniature flashlight
    • 迷你手电筒
    • US4942505A
    • 1990-07-17
    • US356361
    • 1989-05-23
    • Anthony Maglica
    • Anthony Maglica
    • F21L4/00F21S6/00F21S9/02F21V14/02F21V14/04F21V15/01F21V23/04F21V31/00F21V31/03H01H13/58
    • F21V31/005F21L15/02F21L15/06F21L4/005F21L7/00F21S9/02F21V14/025F21V14/045F21V19/047F21V23/0414F21V31/00F21V31/03H01H13/58F21S6/00F21V15/01H01H2009/048
    • A miniature flashlight comprises a barrel, a tail cap, a head assembly, and means for holding a miniature lamp bulb. The means for holding lamp bulb comprises an insulated receptacle disposed external to the end of the barrel to which the head assembly is engaged, a second insulated receptacle disposed within the barrel and matingly engaging with the first insulated receptacle so as to enable the first and second insulated receptacles to translate axially through a distance limited by a flange formed on the first insulated receptacle and an annular lip formed inwardly at the end of the barrel, and a pair of conductor members mounted in the second insulated receptacle such that one of the conductors serves to couple the center electrode of a dry cell battery to a first pin of the lamp bulb and the other conductor member serves to electrically couple the second pin of the lamp bulb to the lip formed on the barrel. A spring is disposed between the tail cap and the batteries within the barrel to urge the batteries into contact with the center conductor on the second insulated receptacle, thereby urging the second and the first insulated receptacles in the same direction until the second insulated receptacle contacts the lip on the end of the barrel whereat the second conductor member is in contact with the lip. The electrical circuit is thus closed by use of the barrel, the tail cap, and the spring to couple the second pin of the lamp to the case terminal of the battery.
    • 微型手电筒包括筒体,尾盖,头部组件和用于保持微型灯泡的装置。 用于保持灯泡的装置包括设置在头部组件接合到的筒的端部之外的绝缘容器,设置在筒体内并与第一绝缘插座配合地配合的第二绝缘插座,以使第一和第二 绝缘插座沿轴向移动一段由形成在第一绝缘插座上的凸缘所限制的距离,以及在筒端部向内形成的环形唇缘,以及安装在第二绝缘插座中的一对导体构件, 将干电池的中心电极耦合到灯泡的第一销,另一个导体构件用于将灯泡的第二销电连接到形成在筒上的唇缘上。 弹簧设置在尾盖和筒内的电池之间,以推动电池与第二绝缘插座上的中心导体接触,从而沿相同方向推动第二和第一绝缘插座,直到第二绝缘插座接触 在第二导体构件与唇缘接触的桶的端部上的唇缘。 因此,通过使用筒,尾盖和弹簧将电路关闭,以将灯的第二引脚耦合到电池的壳体端子。