Portable concrete proportioning mixer
OwnerCharles R. Millerinventor
Life of this patent
Estimating the term…
Abstract
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.
Claims14
In a portable proportioning mixer,
- a plurality of separate hoppers having discharges at lower ends thereof,
- a conveying and mixing trough adapted to receive materials from said hoppers, and
- a transporting vehicle for traveling on land and having a frame supporting said hoppers and mixing trough,
- the improvement comprising:
- said mixing trough being adapted to be carried on said frame in a non-receiving position during transportation,
- said mixing trough being pivotally mounted on said vehicle frame to be rotated from said non-receiving position to a receiving position to receive materials from said hoppers, said hoppers having lower ends at different levels relative to the trough in the receiving position,
- said mixing trough having a lower end thereof under said hopper discharges in said receiving position,
- said mixing trough being generally closed, having a plurality of receiving openings complementary to said hopper discharges in respective register therewith in said receiving position,
- said mixing trough having an upper open discharge end, and
- the lowest level of the vehicle above the land during transportation being dependent upon the lowest hopper lower end.
Dependencies are inferred from the claim text.