Agitating – Mortar mixer type – With liquid charge
Patent
1984-06-20
1985-09-03
Jenkins, Robert W.
Agitating
Mortar mixer type
With liquid charge
366 50, 366 64, 366186, 366318, B01F 708
Patent
active
045389160
ABSTRACT:
In a concrete production system, an improved aggregates conveying apparatus includes an aggregates drag conveyor having a lower, conveying run which drags aggregates along a centrally-located, common trough shared by separate fine and coarse aggregates hoppers to a discharge end and an upper, return run which moves through a hollow channel formed in a common wall separating the hoppers above the common trough. An improved cement metering apparatus in the system includes a cement conveyor mounted along a trough below the cement hopper so as to make an endless path around a floor of the trough. Baffle gates at each end of the floor coact with the conveyor to prevent inadvertent flow of cement past the ends of the floor and to only permit metered flow of the cement from the discharge end of the trough. The fine and coarse aggregates, and the cement discharge into a mixing auger where, after water is added, they are mixed into concrete before discharge from the auger. An improved mounting arrangement supports the motor which powers the mixing auger on the inboard end of the auger, while another improved arrangement mounts the mixing auger at a corner of the chassis mounting the system for pivotal movement between raised and lowered positions and swinging movement between side and transverse rear positions.
REFERENCES:
patent: 2689145 (1954-09-01), Magos et al.
patent: 2823868 (1958-02-01), Scherer
patent: 3273734 (1966-09-01), Schuler
patent: 3294457 (1966-12-01), Johnson
patent: 3310293 (1967-03-01), Zimmerman
patent: 4121532 (1978-10-01), Coryell, III
patent: 4320552 (1982-03-01), Dickson
Dahlberg Arthur D.
Flanagan John R.
Jenkins Robert W.
Swartz Michael R.
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