Carrier 1 rotates about fixed axis A and is connected by turning pair B to planet gear 4 which meshes with fixed sun gear 5 and is rigidly attached to plate cam 3. Rocker arm 2 rotates about axis A and carries roller 6 which rolls along the contour of cam 3. When carrier 1 rotates at uniform speed, rocker arm 2 rotates at nonuniform speed. Roller 6 is held in contact with cam 3 by spring 7.
$3304$GrC,ML$