Gear 1 rotates about fixed axis A and meshes with gear 2 which rotates freely on shaft 4 about fixed axis B-B. Gear 2 has pins b which enter holes in the end face of distributor roller 3 which can rotate about and slide on fixed shaft 4 along axis B-B. Cylinder cam 5 with profiled groove d is keyed to shaft 4. Inside roller 3 is pin a which slides along groove d. When gear 1 rotates, distributor roller 3 rotates about and reciprocates along axis B-B.
$3302$GrC,ML$