Link 1 with wheel a turns about fixed axis A of the aircraft frame member. Connecting rod 2 is connected by turning pair E to link 1 and its end d slides along fixed guide b. Link 2 is connected by turning pair B to piston-rod 3 of the retracting cylinder. When piston rod 3 moves into the retracting cylinder, link 1 is turned counterclockwise, and the landing gear is retracted as shown by the dash lines.
$1660$SC,AL$