| 摘要 |
The simple switch of a small pocket flashlight consists of a single spring wire conductor extending from the center post positive terminal diagonally downwardly across the insulating body separating the two cells toward the uncovered metal can negative terminal of the other cell. When pressure is applied through the flexible nonconductive flashlight jacket, the wire conductor is brought into contact with the metal can negative terminal of the other cell to close the series circuit through the cells and lamp. In opening and closing the switch, bending of the wire conductor is limited to the portion remote from the positive terminal contact end by a fulcrum formed by a bend in the wire and engaging the insulating body between the two cells.
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