Link 1 with wheel a turns about fixed axis A of the aircraft frame member. Link 5 is connected by turning pairs B and C to links 1 and 2. Link 2 turns about fixed axis D of the aircraft frame. Piston rod 3 of retracting cylinder 4 is connected by turning pair E to link 2. Cylinder 4 turns about fixed axis F of the aircraft frame. When piston rod 3 moves into retracting cylinder 4, link 1 is turned counterclockwise and link 2 clockwise, and the landing gear is retracted as shown by the dash lines.
$1419$LG,AL$