| 摘要 |
PROBLEM TO BE SOLVED: To increase the flexibility of play and the enjoyment of the play by enabling an aerodone with forcedly spreadable blades to be glided or glided in an inverted state, through the use of a propulsive force, by virtue of the formation of a propulsion generator from a PET bottle. SOLUTION: An aerodone apparatus with the forcedly spreadable blades 10a and 10b, which is separated into the aerodone 27 with the forcedly spreadable blades 10a and 10b, a separator 28, the propulsion generator 14 and an air separating plug 35, is constituted by being erected on a launching pad 42. The aerodone 27 is glided with rotation by forcedly spreading the floating blades 10a and 10b around fulcrum shafts 33a and 33b of an oscillating device by using an elastic force of an elastic force generating part 9. The aerodone 27 can be glided in the inverted state, so that the new enjoyment and amusement can be increased. COPYRIGHT: (C)2004,JPO
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