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    • 5. 发明授权
    • Rechargeable flashlight assembly
    • 充电手电筒组装
    • US5684378A
    • 1997-11-04
    • US372172
    • 1995-01-12
    • David A. FurthMark A. FergusonPeter F. LynchScott W. OsieckiKang Woon Au
    • David A. FurthMark A. FergusonPeter F. LynchScott W. OsieckiKang Woon Au
    • F21L4/08H01M10/46
    • H01M10/46F21L4/085
    • A rechargeable flashlight is provided comprising in combination a tubular housing open at one end and closed at an opposite end. An integral lamp assembly and power supply circuit are slidably received within the tubular housing. An electrical connector is provided at the closed end of the tubular housing to selectively interconnect the power supply circuit to an external electrical power source, such as an AC socket, to recharge the battery. In a second position, the electrical connector is disconnected from the power supply circuit, and power is provided by the rechargeable battery. The open end of the tubular housing is closed by a removable lens assembly, concentrically receiving a lamp extending from the integral lamp assembly, for organizing the light produced by the lamp into a beam. The lamp assembly and power supply circuit may be formed as an integral unit and detachably fixed within the flashlight casing or housing so that the operator may remove the lamp assembly and power supply circuit as a unit. Any electrical connection between the external AC power supply and the flashlight circuit is interrupted when the lamp assembly and power supply circuit are removed from the flashlight casing. Thus, in contrast to conventional rechargeable flashlights, when the rechargeable battery within the flashlight no longer operates, it may be removed from the flashlight and disposed of properly. A replacement battery may be obtained at a fraction of the cost of the flashlight, reinserted into the circuit, and reinstalled in the flashlight. In this manner, the substantial portion of the flashlight is conserved, wherein in the prior units the entire flashlight was disposed of, often improperly, with the rechargeable battery therein and presenting an environmental safety hazard.
    • 提供了可充电手电筒,其组合包括在一端开放并在相对端封闭的管状外壳。 整体灯组件和电源电路可滑动地容纳在管状外壳内。 电连接器设置在管状壳体的封闭端,以选择性地将电源电路与例如AC插座的外部电源互连,以对电池再充电。 在第二位置,电连接器与电源电路断开,并且可再充电电池提供电力。 管状壳体的开口端由可移除的透镜组件封闭,同心地接收从整体灯组件延伸的灯,用于将由灯产生的光组织成光束。 灯组件和电源电路可以形成为一体的单元并且可拆卸地固定在手电筒壳体或壳体内,使得操作者可以将灯组件和电源电路作为一个单元移除。 当灯组件和电源电路从手电筒外壳中取出时,外部交流电源和手电筒电路之间的任何电气连接都会中断。 因此,与传统的可充电手电筒相反,当手电筒内的可再充电电池不再操作时,可以从手电筒中取出并正确处理。 可以以手电筒成本的一小部分获得更换的电池,重新插入电路中,并重新安装在手电筒中。 以这种方式,手电筒的实质部分是保守的,其中在现有单元中,整个手电筒通常不适当地与其中的可再充电电池一起处理并且具有环境安全隐患。