Link 1 with wheel a turns about fixed axis B of the aircraft frame member. Link 2 is connected by turning pairs C and D to link 1 and to link 3 which turns about fixed axis A of the aircraft frame. Piston rod 6 of retracting cylinder 4 is connected by turning pair E to link 1. Cylinder 4 is connected by turning pair F to link 3. When piston rod 6 moves out of retracting cylinder 4, links 1 and 3 are turned counterclockwise, and the landing gear is retracted as shown by the dash lines.
$1420$LG,AL$