FIELD: mechanical engineering.
SUBSTANCE: invention relates to mechanical engineering and can be used in motors, pumps, compressors with moving reciprocating pistons. System comprises the piston fastening device that comprises the piston rod with the ledge, and the piston rod nut connected to the piston rod. Nut and the ledge are adapted in order to be fastened to each other in the axial direction of the first and second parts of the piston body.
EFFECT: higher reliability.
10 cl, 13 dwg
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| 0 |
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|
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|
RU2206754C1 |
