PORTABLE PNEUMOHYDRAULIC BOOSTER FOR MANUAL RIVETING PRESSES Russian patent published in 1999 - IPC

FIELD: riveting equipment. SUBSTANCE: portable pneumohydraulic booster for manual riveting presses includes air distributor with control button and pneumatic cylinder with piston joined with ram of high pressure hydraulic cylinder. Hydraulic cylinder is built-up one, it has stationary part with cavity for reserve liquid and movable part fluid-tightly connected one with another. In order to change volume of cavity for reserve liquid there is screw-nut mechanism secured to stationary part of high pressure hydraulic cylinder and joined with its movable part. In the result at riveting process the whole volume of reserve liquid is used independently upon arrangement of pneumohydraulic cylinder. EFFECT: enhanced efficiency of riveting process with use of such booster. 5 dwg