Bellcrank drive

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A device used to drive an auxiliary shaker conveyor without changing the direction of the main conveyor. It consists essentially of two driving arms, placed at right angles to each other and supported at their pivot point by a fulcrum jack. When these driving arms are attached to the main and auxiliary conveyors, the reciprocating motion of the main conveyor is transmitted to the auxiliary conveyor, which can then discharge its load onto the main conveyor. Jones, 1

Source: Dictionary of Mining, Mineral, and Related Terms

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