Spherical plain bearing with lubrication groove
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United States of America Patent
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Jan 6, 2015
Issued Date -
N/A
app pub date -
Nov 21, 2012
filing date -
Jul 19, 2006
priority date (Note) -
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Abstract
A spherical bearing has an outer ring with a concave bearing surface and an inner ring having a convex bearing surface, which is in sliding engagement with the concave bearing surface. A lubrication groove is formed in the convex bearing surface and/or the concave bearing surface. The lubrication groove is defined by a concave central portion and by convex side portions. The concave central portion has a first radius of curvature and the convex side portions have a second radius of curvature. The second radius of curvature is at least 0.7 times the first radius of curvature.
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