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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0794217 (1977-05-05) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 15 인용 특허 : 0 |
A toy airplane which is to be constructed of two pairs of overlapping wings which are to flap relative to each other. Each pair of wings is to move in synchronism with respect to the fuselage. The flapping motion of each wing is driven by a crank arm which is attached to a drive shaft. The different
A toy airplane comprising: a fuselage; a first pair of wings mounted on one side of said fuselage, a second pair of wings mounted on the opposite side of said fuselage, said wings to be movable in a flapping manner, both said first pair and second pair of wings comprise two separate wings located in
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