TY - JOUR AB - 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. VL - 12 IS - 4 SN - 0002-2667 DO - 10.1108/eb030636 UR - https://doi.org/10.1108/eb030636 PY - 1940 Y1 - 1940/01/01 TI - U.S. Patent Specifications T2 - Aircraft Engineering and Aerospace Technology PB - MCB UP Ltd SP - 128 EP - 128 Y2 - 2024/04/19 ER -