Crank 1 rotates about fixed axis A and is connected by a turning pair to connecting rod 4 which slides along guide 5. Guide 5 turns about fixed axis C. Slider 3 moves along the slot of link 2 which turns about fixed axis D. Slider 3 is connected by turning pair B to connecting rod 4. Point B of connecting rod 4 describes connecting-rod curve a-a. When crank 1 rotates, slotted link 2 rotates with a short dwell in the position where point B of slider 3 passes through the upper point of its path a-a.
$1342$LG,D$