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U.S. Patent Specifications

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Article publication date: 1 April 1940


In an aeroplane having a shiftable stabilizing surface, an “elevator” hinged horizontally to the said stabilizing surface, means for swinging said elevator about said horizontal hinge, and means responsive to operation of said last‐named means to swing said stabilizing surface about said horizontal hinge, said last‐named means including an electric motor, an energizing circuit for said motor, means for closing said circuit, and means movable with said stabilizing surface to open said energizing circuit.


(1940), "U.S. Patent Specifications", Aircraft Engineering and Aerospace Technology, Vol. 12 No. 4, pp. 128-128.




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