Circular slotted link 3 turns about fixed axis A. The required stroke of link 1 is obtained by setting link 3 in the proper position in which it is fixed by means of lever 2. Link 1 is reciprocated by crank-and-slider mechanism BCD through intermediate links 4, 5, 6 and 7, and slider 8 which moves along circular slotted link 3.
$1335$LG,VG$