Mechanism 45: Mechanism in pumps

pPurpose: This mechanism is used in oil pumps, or water pumps.p

pWorking principle: Triangle part 1 has an angle connecting to rod 2. Detail 1 rotates, causing bar 2 to slide on its own track, dragging rod 3. Rod 3 moves to pull detail 4 up and down.p pWatch animation on Youtube:p