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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||446/37 ; 416/419 ; 446/57|
|발명자 / 주소|
|인용정보||피인용 횟수 : 44 인용 특허 : 0|
A toy aircraft includes a main body portion having a central hub member and a plurality of wings. Each wing of the plurality of wings is equally spaced about a central axis of rotation. The toy aircraft further includes a power source carried by the aircraft, at least one motorized propulsion unit interconnected with the power source, and at least first and second propeller assemblies interconnected to the at least one motorized propulsion unit. The first and second propeller assemblies each include a plurality of blades arranged for rotation within a su...
A toy aircraft consisting essentially of: a main body portion including an extended central hub member having a plurality of wings equally spaced about a central axis of rotation extending therefrom; said wings being pivotal about an axis for changing of the pitch angle in response to rotation of the wings; a power source carried by the aircraft; at least one means for controlling the flight of the aircraft selected from remotely controlling the aircraft by a remote control means or providing said aircraft with an on-board preprogrammed control means for...