Radio-controlled flying apparatus

Amusement devices: toys – Aerodynamically supported or retarded – Including rotary wing

Patent

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Details

446 37, 446225, 244 26, 244 30, 244 31, A63H 306, B64B 134

Patent

active

050713833

ABSTRACT:
A radio-controlled flying apparatus comprising an annular buoyant body and having an overall center of gravity below the center of buoyant force of the buoyant body. The annular buoyant body contains a gas of lighter weight than air. A main body is supported by the annular buoyant body by means of a dual-axis gimbal. The main body is provided with a pair of propellers which are rotatably supported by the main body and are driven by variable-speed motors into rotation in opposite directions. The main body is further provided with a rocking mechanism for causing said main body to rock about the dual-axis gimbal. An electric circuit resides in the main body for receiving a radio wave from an external transmitter to control the rocking mechanism and variable-speed motors. The electric components in the electric circuit are supplied their power from a battery carried on the main body.

REFERENCES:
patent: 12250 (1904-07-01), Berry
patent: 2408275 (1946-09-01), Shaeffer
patent: 3477168 (1969-11-01), Trodglen
patent: 3568358 (1971-03-01), Bruce
patent: 3674225 (1972-07-01), Johnson
patent: 4114837 (1978-09-01), Pavlicka et al.
patent: 4461436 (1984-07-01), Messina
patent: 4891029 (1990-01-01), Hutchinson

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