Classifying – separating – and assorting solids – Fluid suspension – Gaseous
Patent
1975-01-03
1976-06-08
Lutter, Frank W.
Classifying, separating, and assorting solids
Fluid suspension
Gaseous
209138, B07B 402
Patent
active
039620727
ABSTRACT:
A harvester pick-up particularly for retrieving fallen nuts and fruits, such as almonds, oranges and the like, from the ground includes a mobile frame preferably self-propelled or tractor drawn and having a primary rotary brush generally in contact with the ground and mounted on the frame for rotation transversely at the leading end thereof. Also disposed on the frame is a power driven secondary brush parallel to and behind the primary brush and arranged so that the tines on the brushes interdigitate or interrelate and operate in such a direction that they pick up materials from the ground between them and toss the picked-up materials onto a reflecting panel from which the materials are deposited onto a primary conveyor belt leading rearwardly. A stream of air is impelled to flow along the primary conveyor and assists in lifting lighter waste materials therefrom. The air current is induced by a fan which takes some of the lighter waste materials and discharges them ultimately to the atmosphere, whereas the primary conveyor takes the intermixed heavier materials, including the nuts or fruit, on an incline and discharges such mixed materials into a generally vertically extending separator column on the frame. An upwardly traveling draft of air, induced by the fan, flows through the separator column and produces a further separation of the lighter, irregularly shaped materials from the heavier, uniformly shaped materials. The heaavier materials descend through the relatively wide separator column and are converged by rollers to fall onto a relatively narrow secondary conveyor belt. The nuts, or fruit, on the secondary conveyor are lifted and discharged at the rear of the machine.
REFERENCES:
patent: 1188323 (1916-06-01), Richardson
patent: 1837299 (1931-12-01), Taggart
patent: 3306018 (1967-02-01), Whitman
patent: 3635336 (1972-01-01), Chapman
patent: 3779377 (1973-12-01), Phelps
patent: 3780849 (1973-12-01), Hoehl et al.
Pack Marvin L.
Ramacher Barry
Hill Ralph J.
Lutter Frank W.
Ramacher Manufacturing Company
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