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Patent Searching and Data


Title:
SPHERICAL PLAIN BEARING WITH LUBRICATION GROOVE
Document Type and Number:
WIPO Patent Application WO/2014/081568
Kind Code:
A3
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.

Inventors:
GAUMER BRIAN (US)
LUGOSI ROBERT (US)
VOISINE JAMES (US)
Application Number:
PCT/US2013/068626
Publication Date:
October 23, 2014
Filing Date:
November 06, 2013
Export Citation:
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Assignee:
ROLLER BEARING CO OF AMERICA (US)
GAUMER BRIAN (US)
LUGOSI ROBERT (US)
VOISINE JAMES (US)
International Classes:
F16C33/10; F16C23/02; F16C33/66
Domestic Patent References:
WO2008011171A12008-01-24
Foreign References:
US5265964A1993-11-30
Attorney, Agent or Firm:
MUTCHLER, John H. et al. (306 Industrial Park RoadSuite 20, Middletown Connecticut, US)
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