| 摘要 |
A lamp pen comprises a lower body, an upper body attachable to the lower body, a refill and a lamp disposed in the lower body, a conductive spring disposed about the pen refill, a rotating body assembly disposed in the upper body and having a battery, conductive terminals, and a rotating wheel, a conductive guiding sleeve, a conductive element, and a push button assembly. Repeatedly depressing the push button assembly causes the rotating body assembly to rotate such that the assembly moves between a first position wherein the refill is retracted into the lower body, a second position wherein the refill is extended, the conductive terminals of the body assembly engage the conductive guiding sleeve causing the lamp to illuminate, a third position wherein the refill is retracted, and a fourth position wherein the refill is extended and the lamp is not illuminated.
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