|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||244/122 ; 244/34A ; 244/39 ; 244/1711|
|발명자 / 주소|
|인용정보||피인용 횟수 : 25 인용 특허 : 0|
An elongate helicopter body including an orthogonally mounted rotatable and pivotally positionable rotor shaft fixedly mounting a solid, annular, convex blade member defined by a parabolic convex curve and terminating in an annular rim, wherein the rim is aligned generally orthogonal to the rotor shaft. Propulsion is provided by an enclosed CO2 cartridge, or alternatively a propulsion propeller in alignment with the body of the helicopter. Modifications of the instant invention include a lift propeller mounted underlying or overlying the solid blade and ...
A model aircraft arranged for vertical, horizontal, and hovering flight, comprising in combination, an elongate fuselage symmetrically arranged about a longitudinal axis, and a forward thrust means mounted parallel to the longitudinal axis on the fuselage for providing forward thrust to the fuselage, and a unitary solid blade member fixedly mounted to a rotor shaft, the rotor shaft mounted for rotation interiorly of the fuselage and orthogonally arranged relative to the longitudinal axis, and the rotor shaft extending exteriorly above an upper surface of...