ASSEMBLY FOR SEALING A ROTATIONAL CONNECTION
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United States of America Patent
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Issued Date -
Sep 12, 2013
app pub date -
Aug 5, 2011
filing date -
Aug 5, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Assembly for sealing a rotary joint, comprising first and second annular parts (2) arranged concentrically, one part being rotatably arranged relative to the other, at least one circumferential gap (18) between the first annular part (2) and the second annular part (3); wherein the first annular part (2) comprises a convex curvature (8), and the second annular part (3) comprises a convex curvature (9); a sealing element (4) received in the gap (18) and disposed sealingly against the first and second annular parts (2); the sealing element (4) comprising sealing lip pairs (21), each pair being associated with one convex curvature (8, 9), such that two sealing lips (21) embrace each convex profile curvature (8, 9) sealingly thereagainst; wherein the sealing element (4) exhibits axial symmetry relative to one axis of symmetry (6), and one axis of symmetry is inclined relative to a vertical axis (13); and the convex profile curvatures (8, 9) have points protruding toward the sealing element (4), and the points lie on an axis (12) perpendicular to the axis (6).
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