Material or article handling – Device for emptying portable receptacle – For emptying contents thereof into portable receiving means
Patent
1986-08-27
1989-09-26
Werner, Frank E.
Material or article handling
Device for emptying portable receptacle
For emptying contents thereof into portable receiving means
1984632, 198432, 111105, 414417, 414502, 414518, A01C 1100
Patent
active
048696374
ABSTRACT:
An improved transfer mechanism for extracting and transporting plants from a high density incubating tray to a singulated constant velocity conveyed path in which each plant is gripped by planting fingers is disclosed. The planter is moved across a field at relatively constant velocity and has the planting fingers conventionally depositing the plant upright and stationary with respect to the passing ground where they are covered by conventional furrowing and packing apparatus. The conveying planting fingers are serially mounted on an endless conveyor and hence pass the vicinity of the incubating tray from which extraction and transfer of the plants must occur at a relatively constant velocity. A tray extraction mechanism is provided which includes a tray conveyor, plant extractor plugs and a tray extraction reciprocation apparatus. The tray extraction reciprocation apparatus functions to oscillate the tray conveyor and plant extractors parallel to the path of the planting fingers. When the oscillation is in the same direction as the conveyed planting fingers, the speed of the planting conveyor is synchronized to the speed of the planting fingers. After this synchronization has occurred, the tray conveyor advances a row of plants into the opened planting fingers and the fingers close gripping the plant at the stem. At substantially the same time, the plug extractors and tray move relative to one another so that in cooperation with the gripping planting fingers the plants are urged out of the tray. Once the plants are clear of the tray, the plug extractors retract completely through and out of the tray and the oscillation continues with movement opposite to the direction of the conveyed chain for the next cycle. By the expedient of loading the serially conveyed fingers with tray wide rows of plants, plant acceleration forces occur when the plant is protected by its incubating tray. Both transporting and transplanting of the plant occurred with the required forces of acceleration held to a minimum.
REFERENCES:
patent: 2154126 (1939-04-01), Heyne
patent: 3370689 (1968-02-01), vanderWinden
patent: 4355588 (1982-10-01), Armstrong et al.
patent: 4388035 (1983-06-01), Cayton et al.
patent: 4443151 (1984-04-01), Armstrong et al.
patent: 4454829 (1984-06-01), Sena
Bud Antle Inc.
Werner Frank E.
LandOfFree
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