Page:The Kinematics of Machinery.djvu/359

 ELLIPTIC CHUCK.

337

the greatly expanded pin 2 of the fixed link a, and form with it the link b which connects them in the complete chain having

FIG. 271.

been removed a higher pair. The expansion of an element and the reduction of a chain are here, therefore, used together. By the adjusting screws and scale the relative positions of a. 2 and