Conveyors: power-driven – Conveyor section – Endless conveyor
Patent
1986-12-11
1988-01-19
Valenza, Joseph E.
Conveyors: power-driven
Conveyor section
Endless conveyor
198830, 277212FB, B65G 1508
Patent
active
047200073
ABSTRACT:
A suspended idler roller for supporting a troughing belt for use in the conveying of granular bulk material such as sand, gravel, crushed stone, grain, coal, fertilizer, etc. The idler roller comprises a plurality of intermediate idler wheels positioned on an elongated curved support rod between a pair of end idler rollers. Each of the idler rollers has elongated hubs having teeth on the ends thereof which mesh with the teeth on the next adjacent roller so that all of the idler rollers rotate in unison on the support rod. A flexible bellows element is positioned between each pair of idler wheels and has its ends operatively sealed and secured to the idler wheels for preventing contaminants from coming into contact with the bearing surfaces.
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