B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
308/27, 198/79
B65G 39/09 (2006.01) F16C 19/54 (2006.01) F16C 25/06 (2006.01) F16C 33/78 (2006.01) F16C 33/80 (2006.01) F16J 15/54 (2006.01)
Patent
CA 1073025
ABSTRACT OF THE DISCLOSURE A combined bearing sealing and bearing adjusting subassembly for use with two members which rotate relative to each other upon a tapered roller bearing assembly, such as a belt conveyor idler roll which rotates relative to a stationary shaft upon a pair of axially spaced tapered roller bearing assemblies, and the combination of such a bearing sealing and bearing adjusting subassembly with a conveyor idler roll assembly. A separate cartridge-like subassembly is mounted between the two relatively rotatable members and contiguous each respective tapered roller bearing assembly. Each cartridge-like subassembly includes a combined contact seal and a labyrinth seal which cooperate to prevent ingress of foreign matter into the corresponding bearing assembly or the egress of lubricant from the bearing assembly. Each cartridge-like sub- assembly also includes a plastically and elastically deformable collapsible spacer member which absorbs clearances resulting from manufacturing tolerances of components of the idler roll assembly and also by controlled release of the elastic deforma- tion of the spacer member provides a predetermined axial preload or, alternatively, end play adjustment of the corres- ponding tapered roller bearing assembly, as desired. The collapsible spacer is so characterized that it provides the same axial preload or end play, as desired, without individual selective adjustment, for the bearings of any one of a number of idler roll assemblies in which the components of the respective idler roll assemblies have dimensional variations within a given range of manufacturing tolerances.
275586
Bertaud Francois X.
Ouska Ralph C.
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