Link 3 turns about fixed axis A of the aircraft frame member and is connected by turning pair B to link 2. Link 2 is connected by turning pair C to link 1 which turns about fixed axis D of the aircraft frame and mounts landing wheel a. Piston rod 5 of retracting cylinder 4 is connected by turning pairs B to links 2 and 3. Cylinder 4 turns about fixed axis E of the aircraft frame. When piston rod 5 moves into retracting cylinder 4, link 1 is turned counterclockwise, and the landing gear is retracted as shown by the dash lines.
$1418$LG,AL$