Apparatus for forming stacks from folded printing products

Details Apparatus for forming stacks from folded printing products Apparatus for forming stacks from folded printing products

1993-07-21

1994-12-06

Schacher, Richard A.

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271188, 271189, 271204, 271209, 271218, B65H 2904

Patent

active

053703820

ABSTRACT:
The stack-forming device (10) has a stack compartment (20), which is closed at the bottom by slide plates (22) and to which printing products (16) are fed by the conveying device (14). Above the slide plates (22), intermediate-bottom elements (58) can be pushed into the stack compartment (20), on which elements the fed printing products (16) can be deposited one on top of the other at the beginning of a preliminary stack formation. As soon as a certain number of printing products have been stacked, the intermediate-bottom elements (58) are drawn out of the stack compartment (20), as a result of which the stacked printing products (16) fall onto the slide plates (22), and the preliminary stack is completed by feeding further printing products (16). The finished preliminary stack is then set down onto the depositing table (30) by moving the slide plates (22) apart. Said depositing table is lowered and, as soon as the preliminary stack has passed the intermediate-bottom elements (58), said elements are moved into the stack compartment (20) again, in order to permit the formation of a new preliminary stack.

REFERENCES:
patent: 3298683 (1967-01-01), Stroud
patent: 4140052 (1979-02-01), Meier
patent: 4214743 (1980-07-01), Meier
patent: 4229134 (1980-10-01), Reist
patent: 4432685 (1984-02-01), Stauber
patent: 4445681 (1984-05-01), Reist
patent: 4577852 (1986-03-01), Grunder
patent: 5002456 (1991-03-01), Gosslinghoff
Bindereport, "Three-Cutter for In-line Operation", Jul. 1992, pp. 398 and 399.

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