PISTON ASSEMBLY AND HYDRAULIC (PNEUMATIC) DEVICE Russian patent published in 2020 - IPC F15B15/14 

FIELD: machine building.

SUBSTANCE: invention relates to piston assemblies. In compliance with this invention, hydraulic cylinder (10A) comprises piston assy (17A). Piston (17A) piston housing (38) includes engagement section (40) on the piston side. Piston rod (20) includes engagement section (42) on rod side engaged with engagement section (40) on piston side. Due to the fact that one of engagement section (40) on the side of the piston and engagement section (42) on the side of the rod is inserted into the other of these sections on the side, these sections are engaged with each other, providing adjustment of relative movement in axial direction between body (38) of piston and piston rod (20).

EFFECT: invention provides simplified assembly process.

13 cl, 22 dwg