Compost windrow turner

Details Compost windrow turner Compost windrow turner

1988-11-01

1990-06-12

Dang, Hoang C.

Harvesters

Tedders

Rotary, transverse axis

56192, A01D 4304

Patent

active

049321960

ABSTRACT:
An apparatus for turning, mixing and aerating windrows of compost to convert the waste material comprising the compost into a useable material, such as soil amendment. The apparatus includes multiple elevating conveyors that first elevate that material to mix and aerate it and then deposit the material onto secondary conveyors that move the material transversely to the windrow before it is re-deposited. In a preferred version, there are three elevating conveyors, two outside and one center conveyor with the outside conveyors depositing the material onto transverse conveyors that move the material inwardly where it is re-deposited on the ground while the center elevating conveyor deposits the material picked up from the center of the windrow on top of the material picked up by the elevating conveyors on the sides. In this manner, the material is not only mixed and aerated but completely inverted.

REFERENCES:
patent: 757303 (1904-04-01), Hawkins
patent: 1085161 (1914-01-01), Reip
patent: 1273312 (1918-07-01), Baum
patent: 1725939 (1929-08-01), Slice
patent: 2195381 (1940-03-01), Patterson
patent: 2390375 (1945-12-01), Kucera
patent: 2629223 (1953-02-01), Russell
patent: 2999348 (1961-09-01), Cunningham
patent: 3496713 (1970-02-01), Reinhardt et al.
patent: 4777788 (1988-10-01), Laquerre

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