Annular link 2 slides along fixed link 3 and has cylindrical hole a bored at an angle to the axis of the link. Link 2 is connected by a sliding pair to link 1, designed as a wedge-shaped piece of a hollow cylinder. Link 1 is connected by a sliding pair to tapered sleeve 4 whose inclined end contacts an end face of link 1. Tapered sleeve 4 fits over split tapered collet 5. When link 2 is shifted to the left (arrow A), link 1 forces tapered sleeve 4 to the right (arrow B), compressing split collet 5 which clamps bar stock C.
$2197$WL,GC$