| 摘要 |
A flash light, which includes a barrel holding a battery set, and a lamp case and rim assembly, a holder shell mounted in the barrel at a front side, a lamp complete mounted in the holder shell assembly and forced backward by a spring, a switch mounted in the barrel and operated to turn on/off the lamp bulb of the lamp complete, wherein the lamp complete has a beveled stop edge at the expanded rear end thereof, and a stop flange backwardly extended from the expanded rear end; a focal length adjustment device is installed in the barrel around the button of the switch for adjusting the focal length of the flash light, the focal length adjustment device including a lower actuating member mounted around the button of the switch and having an actuating rod stopped at the beveled stop edge at the lamp complete, an upper actuating member coupled to the lower actuating member at a top side and having a lever for turning by hand to rotate the lower actuating member for enabling the lamp complete to be moved forwards/backwards to adjust the focal length of the flash light, and a button mounted within the upper actuating member and supported on the button of the switch for pressing by hand to switch on/off the switch.
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