Classifying – separating – and assorting solids – Sifting – Feeding
Patent
1990-01-26
1992-01-21
Hajec, Donald T.
Classifying, separating, and assorting solids
Sifting
Feeding
209246, 209910, 222166, B07B 100
Patent
active
050825550
ABSTRACT:
An improved soil feeder system in combination with a soil separating apparatus and method of controlling the feeding of soil material employing the soil feeder. The soil feeder apparatus including a hopper body having included walls and flat bottom surface to define a hopper space to receive soil material and characterized by an opening at one end for controlling the feeding of soil materials to be screened. The body includes a funnel shaped walls to direct the soil material inwardly into the hopper body, as hydraulic cylinder at the one end to tilt the hopper body between a soil receiving position and a tilted soil discharging position. The soil feeder apparatus includes a sensor for activating the and hydraulic cylinders and a timer to delay for a defined time the feeding cycle and to return the hopper body rapidly to the receiving position, and a bracket for attaching the soil feeder to a soil separator apparatus to that the soil separator may be quickly loaded and the rate of feeding of soil material to the soil separating apparatus can be controlled as desired by the user.
REFERENCES:
patent: 2487505 (1949-11-01), Witter
patent: 2615567 (1952-10-01), Campbell
patent: 3198395 (1965-08-01), McKinney
patent: 3256862 (1966-06-01), Patterson
patent: 4197194 (1980-04-01), Read
patent: 4237000 (1980-12-01), Read et al.
patent: 4256572 (1981-03-01), Read
patent: 4859135 (1989-08-01), Neufeldt
Crowley Richard P.
Hajec Donald T.
The Read Corporation
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