Round roller I rotates freely about fixed axis B. Cam 2 has contour a which rolls along roller 1. Cam 2 is connected by turning pair A to slider 3 which reciprocates along fixed guides b-b. When cam 2 rotates about axis A, it has a complex motion, reciprocating slider 3 along guides b-b. Cam 2 is held in contact with roller 1 by spring 4.
$3028$SmC,3L$