Unearthing plants or buried objects – Stone gathering and/or unearthing by impelling above-ground...
Patent
1980-09-24
1982-08-24
Hafer, Robert A.
Unearthing plants or buried objects
Stone gathering and/or unearthing by impelling above-ground...
198431, 171110, A01B 4300
Patent
active
043456553
ABSTRACT:
A rock picker has a plurality of high capacity conveyors, one of which is used for storing rocks during the picking operation. The conveyors quickly unload the stored rocks into a truck or at some other desired location. The storage conveyor is arranged so that it does not take up any substantial amount of space greater than the rock picker frame, but yet is sufficiently large in capacity so that it can store a large number of rocks as they are picked. Loading conveyors are sequentially placed so that first and second normally continuously operating conveyors load into the third storage conveyor in sequence. A storage hopper is provided at the input end of the storage conveyor, and the conveyor is intermittently operated to carry the rocks from the hopper in a layer along the length of the storage conveyor. When the storage conveyor is loaded with rocks, the storage conveyor is run to discharge the rocks off one end.
REFERENCES:
patent: 2479719 (1949-08-01), Boylan
patent: 3416619 (1968-12-01), McClusky
patent: 3450249 (1969-06-01), Poll
patent: 3782477 (1974-01-01), Fahrenholz
patent: 4034846 (1977-07-01), Burgis et al.
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