Link 1 with wheel a turns about fixed axis A of the aircraft frame member. Slider 4 moves along the axis of link 1 and is connected by turning B to link 2 which turns about fixed axis D of the aircraft frame. Piston rod 5 of retracting cylinder 3 is connected by turning pair C to link 2. Cylinder 3 turns about fixed axis G of the aircraft frame. When piston rod 5 moves into retracting cylinder 3, link 1 is turned clockwise and link 2 counterclockwise, and the landing gear is retracted as shown by the dash lines.
$1440$LG,AL$