The lengths of the links comply with the conditions: B͞C=2.73A͞B, C͞D=1.36A͞B, C͞G=2.32A͞B, B͞G=4.9A͞B, A͞T=2.36A͞B, A͞D=2.872A͞B, G͞E=1.45A͞B, E͞F=2.82A͞B, G͞M=1.36A͞B, M͞K=1.91A͞B, K͞D=0.54A͞B, K͞F=2.18A͞B, H͞F=3.1A͞B and D͞H=3.63A͞B. The mechanism is based on four-bar linkage ABCD. Connecting rod 2 is connected by turning pair G to slider 3 which moves along the slot of link 4. Slotted link 4 turns about fixed axis H. Added to linkage ABCD are links 5, 6, 7 and 8. Links 5 and 7 are connected together by turning pair G. Portion x-x of the path described by point G of connecting rod 2 approximates a straight line passing through point H. Portions y-y and z-z of the path approximate circular arcs of radii equal to the lengths G͞E and G͞M of links 7 and 5. These portions are shown by heavy continuous lines. Slotted link 4 has a dwell when slider 3 passes along portion x-x of the path of point G. Links 6 (MK) and 8 (EF) have dwells when point G passes along portions z-z and y-y, respectively, of its path.
$1348$LG,D$