Link 4 is connected by turning pairs C, D and E to links 1, 5 and 2. Slider 5 moves along arm Ab of sliding link 3. Rod 2 slides in fixed guides a-a. Link 3 turns about fixed axis A. When crank 1 rotates about fixed axis B, needle rod 2 reciprocates and lever 3 of the thread-pulling device oscillates about axis A.
$1464$LG,FD$