Package making – Group forming of contents unit and subsequent or further... – Layer – stack – or column
Patent
1978-09-13
1981-10-13
Culver, Horace M.
Package making
Group forming of contents unit and subsequent or further...
Layer, stack, or column
53152, 53540, 53250, B65B 3550
Patent
active
042940613
ABSTRACT:
Apparatus is disclosed for automatically stacking a plurality of trays containing comestibles such as fruit or the like into packages such as boxes of the like. Trays are synchronously supplied via an incremental belt to a tray stacking portion, where the trays are nested one atop the next. The stack of nested trays is then deposited on a counter-weighted drop shelf situated within the package. The weight of the trays on the drop shelf overcomes the inertia of the drop shelf and its counterweight such that the stack of trays are smoothly lowered into the package or carton. The tray stacking portion is adjustable to permit automatic packaging of different size fruit.
REFERENCES:
patent: 2796179 (1957-06-01), van Vleck
patent: 3220158 (1965-11-01), Roser et al.
patent: 3579956 (1971-05-01), Hoffmann
patent: 3683582 (1972-08-01), Seguin
patent: 4086745 (1978-05-01), Caudle
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