| 摘要 |
PROBLEM TO BE SOLVED: To generate electric power continuously for many hours by utilizing energy that is generated, when a manually wound spiral spring is released. SOLUTION: A first spiral spring 7 wound up by a handle 1 makes a first gear 6 and a second gear 10 rotate, when released. At the tip of the second gear 10, a row of gears (a third small gear 11, third gear 12, and fourth gear 13) and an escapement (an escapement wheel 14, balance wheel 15, second spiral spring 16, and ankle 17) are provided. The structure and effects of the components of No.1 to No.17 in Fig. 1 are the same with those that move long and short hands of a spiral spring watch. By utilizing this principle, the second gear 10 is rotated regularly and continuously for many hours. On the tip of the second gear 10, a row of large and small gears (a small gear 18, gear 19, small gear 20, gear 21, small gear 22, and gear 23), each having different gear ratio, are provided so that the rotational speed of the gears can be increased. With this structure, a generator 25 is rotated, and electric power can be generated continuously for many hours.
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