Combination labyrinth and lip seal for idler rollers

Details Combination labyrinth and lip seal for idler rollers Combination labyrinth and lip seal for idler rollers

B - Operations, Transporting

65

G

B65G 39/09 (2006.01) F16C 13/02 (2006.01)

Patent

CA 2524584

An idler roller is disclosed which includes a non-rotating shaft, a roller shell positioned around the non-rotating shaft and a bearing assembly proximate each end of the roller shell. The bearing assembly includes an outer labyrinth member and an inner labyrinth member having an integrally formed shaft seal, wherein the inner and outer labyrinth members define a labyrinth seal and the integrally formed shaft seal sealingly engages an outer surface of the non-rotating shaft.

L'invention concerne une construction de galet porteur constitué d'un axe fixe, d'un galet creux tournant autour de l'axe fixe et d'un roulement monté près de chaque extrémité du galet. L'ensemble de galet porteur comprend un élément de joint à labyrinthe extérieur et un élément de joint à labyrinthe intérieur assurant l'étanchéité autour de l'axe fixe, les deux éléments coopérant pour former un joint à labyrinthe et le joint d'arbre intégral assurant l'étanchéité par rapport à la surface extérieure de l'axe fixe.

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