It is time to share the movement mechanism of this popular jack, which I had modeled myself, the modeling and design of the mechanism and related analyzes have been done in CATIA software, and you can clearly see the degree of movement of this jack.
As I said before, this jack is designed to pick up pallets weighing 600kg  to 1 ton, and it is suitable for production and transport halls and warehouses.

Link: https://youtu.be/sfcRBuYqQVg