Material or article handling – Apparatus for moving intersupporting articles into – within,... – Unstacking apparatus
Patent
1991-02-25
1993-01-05
Huppert, Michael S.
Material or article handling
Apparatus for moving intersupporting articles into, within,...
Unstacking apparatus
414786, 4147976, 4147977, B65G 5910, B65G 5906
Patent
active
051764946
ABSTRACT:
A destacking/feeding system separates individual articles such as flat container blanks or trays nested in a stack. The destacking and feeding system comprises at least two pairs of opposed endless feed conveyor belts having respective vertical runs. The feed belts are spaced apart to grip opposite sides of the articles to feed them downwardly along a path to a second pair of belts or wheels which travel at a second, higher speed. The feed belts feed the stack of nested trays to the second, higher speed belts, which accelerate the lowermost articles and propel them downstream at the second speed. At the lower end of the second, higher speed conveyor, the articles are released and fall sequentially by gravity onto a waiting conveyor.
REFERENCES:
patent: 3658194 (1972-04-01), Gendron et al.
patent: 4364466 (1982-12-01), Mojden
patent: 4915578 (1990-04-01), Becker
patent: 4938649 (1990-07-01), ter Horst et al.
patent: 4986731 (1991-01-01), Shinomiya
Nigrelli Terry J.
Schumacher Thomas
Huppert Michael S.
Krizek Janice
Nigrelli Systems Inc.
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