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    • 6. 发明授权
    • Easily-assembled compact self-ballasted fluorescent lamp
    • 易于组装的紧凑型自镇流荧光灯
    • US07064488B2
    • 2006-06-20
    • US10780216
    • 2004-02-17
    • Yasushige TomiyoshiKenji ItayaAkiko Nakanishi
    • Yasushige TomiyoshiKenji ItayaAkiko Nakanishi
    • H01J17/16
    • H01J9/34H01J5/58H01J61/327
    • A compact self-ballasted fluorescent lamp includes an arc tube formed by a glass tube double-spirally wound from its middle to both ends around a spiral axis, and a cylindrical holding member having a closed bottom and holding the arc tube, a case fit to cover a circumferential wall of the holding member, and the like. End-vicinity parts of the glass tube are formed to have a larger gap with glass tube parts adjacent in the direction of the spiral axis. The arc tube is held in a state where the distance L1 between a first point that is on an outer surface of a glass tube part adjacent to one of the ends of the glass tube in the direction of the spiral axis and a second point on a surface of the end wall facing the first point is about 1.5 mm.
    • 紧凑型自镇流荧光灯包括由围绕螺旋轴线的中间至两端双螺旋缠绕的玻璃管形成的电弧管,以及具有封闭底部并保持电弧管的圆柱形保持构件,壳体适合 覆盖保持构件的周壁等。 玻璃管的端部附近形成为与螺旋轴方向相邻的玻璃管部分具有较大的间隙。 电弧管保持在玻璃管部分的与玻璃管的一端相邻的第一点与螺旋轴线的一端相邻的第一点与第一点之间的距离L1 面向第一点的端壁的表面约为1.5mm。