FIELD: machine building.
SUBSTANCE: hydraulic jack is designed for effect at independently located object. Hydraulic jack comprises hydraulic cylinder with stems and plungers, the main plunger is arranged with two internal cylindrical cavities of different diameter, inside of which additional plungers are installed with stems, one of which is rigidly fixed to hydraulic cylinder, and the second one is arranged as fixed relative both to main plunger and hydraulic cylinder.
EFFECT: pressure transformation.
1 dwg
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