Anti-theft device for aircraft

Details Anti-theft device for aircraft Anti-theft device for aircraft

1976-01-27

1979-09-18

Dorner, Kenneth J.

Locks

Portable

Fetters

244 1R, 416146R, E05B 7300

Patent

active

041678621

ABSTRACT:
This anti-theft device has a plurality of arcuate metallic sections hingedly connected to be removably applied to an airplane propeller blade at one side of the propeller shaft and locked in place to prevent unauthorized removal. The device forms an eccentric weight mass which when the engine is operated, causes vibrations so severe that the aircraft cannot take off or fly successfully. A warning flag or banner is attached to the device and anyone at all familiar with aircraft operation will not attempt to take the plane.

REFERENCES:
patent: 1376114 (1921-04-01), Raney
patent: 2486672 (1949-11-01), Notestein et al.
patent: 2541704 (1951-02-01), Koppen
patent: 3091011 (1963-05-01), Campbell
patent: 3288401 (1966-11-01), Fete
patent: 3775969 (1973-12-01), Vasterling
patent: 3808847 (1974-05-01), Vesely
patent: 3850014 (1974-11-01), Flack

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