Link 1 turns about fixed axis A of the aircraft frame member and is connected by turning pair B to link 3 which mounts landing wheel a. Link 3 is connected by turning pair C to link 4 which turns about fixed axis D of the aircraft frame. Piston rod 5 of retracting cylinder 2 is connected by turning pair E to link 3. Cylinder 2 turns about fixed axis F of the aircraft frame. When piston rod 5 moves into retracting cylinder 2, link 1 is turned clockwise, and the landing gear is retracted as shown by the dash lines.
$1417$LG,AL$