Link 3 turns about fixed axis A of the aircraft frame member. Link 2, provided with a shock absorber, is connected by turning pairs B and C to links 3 and 1. Link 1 turns about fixed axis D of the aircraft frame. Wheel a rotates freely about axis C. Piston rod 5 of retracting cylinder 4 is connected by turning pair E to link 3. Cylinder 4 turns about fixed axis F of the aircraft frame. When piston rod 5 moves into retracting cylinder 4, link 1 is turned clockwise and link 3 counterclockwise, and the landing gear is retracted as shown by the dash lines.
$1434$LG,AL$