Seal for a spherical plain bearing

F - Mech Eng,Light,Heat,Weapons – 16 – C

Patent

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Details

F16C 11/06 (2006.01) F16C 33/74 (2006.01)

Patent

CA 2202061

An annular metallic support member has a cylindrical surface mountable within a bore (24) of the sperical plain bearing outer ring (16) or bearing housing such that a conical surface (40) of the metallic support member overlies the spherical member (14). An annular elastomeric seal lip is mounted on the conical surface (40) of the metallic support member, and an elastomeric seal body is mounted on the conical surface (40) of the metallic support member, axially inward of the elastomeric seal lip, such that the elastomeric seal lip and elastomeric seal body contact the spherical member (14). The elastomeric seal body may have grooves for supplying lubricant to the elastomeric seal lip.

L'invention concerne une pièce de soutien métallique annulaire ayant une surface cylindrique insérable dans un alésage (24) de la bague extérieure (16) ou le corps de palier d'un palier lisse sphérique, de sorte qu'une surface conique (40) de ladite pièce de soutien métallique recouvre la pièece sphérique (14). Une lèvre de joint annulaire élastomère est disposée sur la surface conique (40) de la pièce de soutien métallique, et un corps de joint élastomère est également placé sur la surface conique (40) de ladite pièce de soutien métallique, axialement vers l'intérieur de la lèvre de joint élastomère, de sorte que la lèvre de joint élastomère et le corps de joint élastomère soient en contact avec la pièce sphérique (14). Le corps de joint élastomère peut être doté de rainures utilisées pour acheminer un lubrifiant jusqu'à la lèvre de joint élastomère.

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