Importance

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Abstract

A modular plastic conveyor belt, formed of successive rows of assembled injection molded modules connected by laterally-extending pins, has arched tops in each module row and increased depth in the laterally-extending spine of the belt. The belt structure enables the modular plastic belt to be retrofitted in a spiral system normally carrying a steel conveyor belt. In one embodiment the arched-top module rows, having a greater depth than normal, are accommodated on a small-diameter roller, by forming a generally cylindrical undercut at the bottom of each module row, reducing the distance of protrusion outwardly from the roller. The arched-top configuration lends itself not only to transfer of articles as the conveyor passes over the sprocket for a roller, but also the provision of increased beam depth at the center of the module, with lower profiles at the extremities of the link ends.

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First Claim