Rotary flying toy

Details Rotary flying toy Rotary flying toy

1987-07-29

1988-11-01

Hafer, Robert A.

Amusement devices: toys

Aerodynamically supported or retarded

Including rotary wing

446 45, A63H 2700, A63H 2712

Patent

active

047816422

ABSTRACT:
A rotary flying toy is disclosed including a rotor having a plurality of radially extending generally horizontal blades adapted to rotate about the vertical axis of the rotor to provide vertical lift. A separate hand-held launcher is provided and includes an electric motor for accelerating the rotor to a rotational velocity sufficient for the rotor to fly when separated from the launcher. Inclined surfaces act to retain the rotor on the launcher until the desired rotational speed is reached and to eject the rotor from the launcher.

REFERENCES:
patent: 951686 (1910-03-01), Katterjohn
patent: 1294917 (1919-02-01), Koontz
patent: 1618856 (1927-02-01), Abrams et al.
patent: 2189763 (1940-02-01), Schimpfle
patent: 2731767 (1956-01-01), Holt
patent: 3182422 (1965-05-01), Ryan
patent: 3570467 (1971-03-01), Belokin, Jr.
patent: 3605328 (1971-09-01), Kilroy, Jr.
patent: 4108939 (1980-01-01), Matsushiro

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