Eccentric cam 1 turns about fixed axis 0 and acts on vertical sides b-b of the rectangular frame of link 2, sliding the link in fixed guides c-c. Displacement x of link 2 equals x=0͞A*cos(α)=0͞A*sin((π/2)-α). Width α of the frame is constant and equal to the diameter of cam 1.
$1282$LG,MO$