| 摘要 |
A portable proportioning mixer, adaptable to mix concrete or other material, such as fertilizer and plastics, including a plurality of separate hoppers with discharges at their lower ends; a conveying and mixing trough adapted to receive materials from the hoppers, and a transporting vehicle for carrying the hoppers and mixing trough. The mixing trough is adapted to be carried on the vehicle in a non-receiving position during transportation, the trough being pivotally mounted on the vehicle to be rotated from the non-receiving position to a receiving position to receive materials from the hoppers; the mixing trough having a lower end positioned under the hopper discharges when in the receiving position and having receiving openings complementary to the hopper discharges.
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