| 摘要 |
A support structure for a conveyor belt which includes two upwardly extending, pivotally mounted, support arms, a garland of conveyor idler rollers suspended between upper ends of the support arms and, for each support arm, respective biasing means which permits pivotal movement of the support arm, towards the other support arm, only when the support arm exerts a force on the respective biasing means in excess of a predetermined load.
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