Sheet feeding or delivering – Delivering – With transfer means between conveyor and receiver
Reexamination Certificate
2005-10-04
2005-10-04
Walsh, Donald P. (Department: 3653)
Sheet feeding or delivering
Delivering
With transfer means between conveyor and receiver
Reexamination Certificate
active
06951333
ABSTRACT:
For being stacked, flat articles, in particular printed products, are supplied to a feed point in an imbricated stream, in which they overlap one another and are arranged standing substantially upright. In the feed point, their leading edge is pushed against an aligning element arranged transverse to the supply direction and thereby they are redirected at right angles and arranged in a stack-like arrangement. The stack-like arrangement grows in the stacking direction into a receiving device, being laterally guided and being supported at its downstream end by a supporting element. Distanced in the stacking direction from the feed point a condensing means is provided for accelerating the articles in the stack-like arrangement towards the supporting element in such a manner, that a downstream part of the stack-like arrangement is condensed and a feed-side part is kept loose. For detaching a discrete stack from the stack-like arrangement, a separating element is utilised for splitting up the supplied imbricated stream and for pushing the loose part of the stack-like arrangement against the condensed part. Thereupon the receiving device carrying the stack is replaced with an empty receiving device and the separating element is removed. Stacking comprising supplying the articles to a loose part of a stack-like arrangement, is gentle on the articles and therefore applicable without problems for articles with little stability. For detaching a stack from the stack-like arrangement, the supply stream does not have to be interrupted.
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Bower Kenneth W.
Ferag AG
Lacasse & Associates LLC
Walsh Donald P.
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