Cam 1 rotates about fixed axis A and its contour along portion abc is a circular arc of radius r. Follower 2 reciprocates in fixed guide e and has flat surface f-f tangent to the contour of cam 1. The axis of follower motion passes through axis A of cam rotation. Follower 2 has its rise when flat surface f-f contacts portion ad of the contour of cam 1 and its return on portion dc. Follower 2 has a dwell while surface f-f contacts portion abc.
$2979$SmC,3L$