Sliding link 4 is connected by a sliding pair to slider 5 and slides in two guides, 2 and 3. Guide 3 oscillates about fixed axis C. When crank 1 rotates at constant velocity about fixed axis A, the t ime ratio of the forward to the return stroke is k=(π/(arccos(A͞B/A͞C)))-1.
$1002$LG,6L$