Nonstop regulatable linear oscillation 3

Input: pink cam rotating continuously. Output: blue piston going up/down with pause at its lowest position. The piston displacement can be adjusted by setting the angular position of the orange lever. The setting can be performed without stopping the cam motion. The video shows how to reduce the piston displacement. The mechanism is used in diesel fuel pumps. This video was made based on picture , page 594 of the Russian book: С. Н. Кожевников и другие, Механизмы, Москва, 1965.