FIELD: machine building.
SUBSTANCE: sealing device has an oil channel, that delivers or removes hydraulic oil from the hydraulic drive. The oil channel is made above at least two elements that move relatively. The sealing element that seals the clearance between two elements making it tight for liquid, the element is located in internal area of the channel section made in one of two elements. There is connecting section that ensures the groove sections connection with any part of the oil channel such that the hydraulic oil in internal part of the groove section moves with the hydraulic oil supply or removal from the hydraulic drive.
EFFECT: increased durability.
15 cl, 8 dwg
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