| 摘要 |
PROBLEM TO BE SOLVED: To provide a man-powered flapping machine having a main wing made of an elastic body to fly in the sky by only the muscular strength of a person by utilizing the repulsion of the elastic body. SOLUTION: The main wing is made of the elastic body, the elastic body and a fuselage of the machine are fixed, weights are imparted to the middle of the wing and wing end, and thereby vertical vibration is facilitated. Since the constitution of the machine body is simple, the weight is light and the person can perform continuous flapping by only an operation to pull down the wing by using his feet and weight. COPYRIGHT: (C)2007,JPO&INPIT
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