Apparatus for separation of a stack of folded or bound, multi-sh

Details Apparatus for separation of a stack of folded or bound, multi-sh Apparatus for separation of a stack of folded or bound, multi-sh

1981-04-28

1983-08-09

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Separator and conveyor

271 35, 271113, 271165, 271 2, B65H 304

Patent

active

043974562

ABSTRACT:
At one side of a stack of printed products or the like there are provided entrainment elements which are mounted at a revolving or orbiting driven chain or equivalent structure. Each entrainment element is inserted at one side of the momentarily lowermost printed product of the stack between the sheets of such printed product and comes into contact with the folding edge or spine of such printed product. By further moving the entrainment element the lowermost product is pulled out from beneath the stack while turning or rotating the same at the region of the product corner at which engages the entrainment element. The thus freely exposed region of the folding edge or spine of the lowermost product then comes to lie between two rolls or rollers of a product removal device, one of these removal rolls being driven. Both of these rolls pull the seized product out of the bottom of the stack in the product removal direction and place such upon two outfeed conveyor belts or bands. With this destacking apparatus it is possible to faultlessly process folded or bound printed products of appreciable thickness and without damaging such products.

REFERENCES:
patent: 1854221 (1932-04-01), Post
patent: 2049513 (1936-08-01), Post
patent: 2554577 (1951-05-01), Lauffer
patent: 3690645 (1972-09-01), Reist

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