The lengths of the links comply with the conditions: A͞B=A͞F, B͞C=F͞G=C͞G, C͞K=G͞K=3A͞B, K͞E=2.2A͞B, D͞E=1.2A͞B and C͞D=4.6A͞B. Slider 7 is reciprocated along fixed guides a-a by connecting rod 6 which is actuated from double crank 1 through intermediate links 2 and 5. By means of intermediate link 3, the stock is clamped by link 4 which turns about axis E of slider 7.
$1641$SC,GC$