| 摘要 |
A disposable-type flashlight comprises a hollow, flexible case having cap enclosed ends. Within the rear cap is a conductive pressure plate having a flat W-like configuration. Inner apexes of the pressure plate engage a positively charged end of an insulated battery and a negatively charged end of an uninsulated battery. The batteries are spaced apart within the case by a center post having a front end opening to hold an inner end of a bulb. One of two filament lead wires from the bulb is soldered to a negatively charged end of the insulated battery. The other lead wire is folded forward to fit in an opening in a middle web section a conductive, U-shaped spring switch. Spaced apart arms of this switch are positioned on each side of the batteries and fit firmly against an inner side of the case. An outer lens end of the bulb projects through the switch web section opening and an aperture in the front cap. This placement maintains the bulb lead wire in contact with the switch. To energize the flashlight finger pressure may be applied to the case to compress the switch arms. When one arm contacts the uninsulated battery, this contact completes an electrical circuit between the bulb and batteries to energize the bulb.
|
