| 摘要 |
A flashlight, which includes a traction-driven power generating device and a battery connected in parallel to the lamp through a switch, wherein the traction-driven power generating device includes a driving wheel turned by a traction cable, a spiral spring, which turns the driving wheel reversely to take up the traction cable after each traction, an one-way rotary member meshed with the driving wheel, an induction coil, and a flywheel coupled to the one-way rotary member by a clutch means and driven by the one-way rotary member to turn a magnet relative to the induction coil, causing the induction coil to produce electricity.
|
