| 摘要 |
PURPOSE: A manual generator driven by a rotary wheel is provided to generate electricity by hand or by a rotating object when a user cannot use electricity. CONSTITUTION: A manual generator comprises a body(12), a rotary wheel(10), a generator, and a gear. A user holds the manual generator with one hand. The rotary wheel is rotated by hand or when the user rubs the wheel against a wall or a floor. The generator is connected to the rotary wheel and generates electricity. The gear is connected between the rotary wheel and the generator and adjusts the RPM.
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