FLYING WOUND-UP HELICOPTER Russian patent published in 2012 - IPC F03G1/00 A63H1/06

Abstract RU 2452871 C1

FIELD: mechanics.

SUBSTANCE: helicopter comprises a vessel, the first rotor of vertical lift, a multiplier, a helical spring, the second rotor of vertical lift, a ratchet, a winding key. The first rotor of vertical lift is connected to the vessel via the multiplier and the helical spring, and with the winding key via the ratchet. The second rotor of vertical lift is installed on the vessel.

EFFECT: simplified design, reduced material intensity.

4 dwg

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RU 2 452 871 C1

Authors

Dorofeev Aleksandr Sergeevich

Dorofeeva Vera L'Vovna

Dates

2012-06-10—Published

2010-11-19—Filed