The lengths of the links comply with the conditions: O͞₃B=O͞₃D=1, O͞₁A=1.55, A͞B=0.418, O͞₁O₃=2.18, B͞M=0.983, A͞M=1.23, C͞M=2.46, O͞₂C=0.526, O͞₁O₂=0.608, O͞₃O₂=2.51, F͞D=1.51, O͞₄F=0.92 , O͞₄O₃=1.795, and O͞₄O₁=3.82. For the specified dimensions of the links, point M describes a path which closely approximates a circular arc over its full length. The radius of the arc equals link length M͞C and the centre is at point C. As a result, link O₂C is almost stationary during the whole period of motion of crank O₄F, i.e. it practically has a dwell during the whole period of motion of the mechanism.
$760$LW,D$