Idler rollers

Details Idler rollers Idler rollers

F - Mech Eng,Light,Heat,Weapons

16

C

277/15, 308/27

F16C 13/02 (2006.01) B65G 39/09 (2006.01) F16J 15/447 (2006.01)

Patent

CA 1143397

ABSTRACT A labyrinth seal element comprises a primary wall extending generally radially outwardly from a central axis, a central opening within said primary wall for receiving a shaft, and a plurality of spaced generally axially extending annular scavenging walls projecting from a side of the primary wall. Each axially extending annular scavenging wall has a radially outer surface which diverges away from the axis as it extends from the primary wall. At least one of the annular scavenging walls partly defines a radially outwardly facing annular groove for inhibiting passage of dirt radially inwardly along the respective side of the primary wall towards the axis.

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