JOINT ASSEMBLY SEAL Russian patent published in 2019 - IPC F16J15/34 

FIELD: machine building.

SUBSTANCE: invention relates to spring seal (180) for joint assembly (150) articulating link (128) with machine frame (106), which is toroidal body (200) with W-shaped cross-section. W-shaped cross-section includes first freely-carrying ledge (220), parallel and spaced from each other second free-carrying ledge (222) and spring break (230) connecting first and second freely-free protrusions (220, 222). Spring seal (230) is arranged between support surface (172) of lever (128) and protrusion (160) on frame (106). Such W-shaped cross section of spring seal (180) is able to be compressed and released, compensating for displacement between lever (128) and ledge (160) of frame. Second spring seal (182) can be arranged between second support surface (176) of lever (128) and second projection (162) of frame, opposite first projection (160).

EFFECT: disclosed seal of articulation assembly.

9 cl, 12 dwg