Apparatus for stacking folded sheet material

Details Apparatus for stacking folded sheet material Apparatus for stacking folded sheet material

1987-10-26

1989-09-19

Schacher, Richard A.

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271185, 271202, 271215, B65H 2968

Patent

active

048674354

ABSTRACT:
A stacking apparatus for signatures includes a signature-carrying belt positioned with respect to incoming signatures to raise the trailing edge of each signature and form a reverse shingle stream of signatures. A retarding wheel positioned above the signature carrying belt slows the travel of the signatures as they enter the stacker. The signatures pass through a nip created between the retarding wheel and the signature carrying belt. The signature carrying belt carries the reverse shingle stream from a horizontal orientation to a vertical orientation and then to a signature collector that includes a transport belt. A belt drive activated by a sensor of the pressure in the stack collected on the belt carriers the stack in a direction away from the signature carrying belt. The collector includes a vertical barrier that supports the collected signatures in a vertical orientation and automatically adjusts its position to accommodate varying quantities of signatures stacked in the collector.

REFERENCES:
patent: 2644685 (1953-07-01), Rockwell
patent: 3653656 (1972-04-01), Stobb
patent: 4177982 (1979-12-01), Bewersdorf
patent: 4200016 (1980-04-01), Helmig
patent: 4245832 (1981-01-01), Klenk
patent: 4509739 (1985-04-01), Kurokawa
patent: 4643626 (1987-02-01), Noguchi
patent: 4718656 (1988-01-01), Reist

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