Vacuum block document feeder for inserting machine

Details Vacuum block document feeder for inserting machine Vacuum block document feeder for inserting machine

1985-02-04

1986-04-15

Eickholt, E. H.

Sheet-material associating

Associating or disassociating

Signature associating

B65H 530

Patent

active

045823138

ABSTRACT:
An improvement in a document feeder in an inserting machine, the inserting machine having a transport deck and being capable of nesting a plurality of sheet materials between the front and back covers of a booklet, and wherein the document feeder includes a demand feed roller. The improvement comprises a vacuum block located downstream of the demand feed roller and above the inserting machine transport deck, wherein one of the covers of a booklet is separated and raised when a booklet is fed out from the document feeder and passes under the vacuum block, thereby allowing other sheet materials assembled on the transport deck upstream of the document feeder to be nested between the front and back covers of the booklet.

REFERENCES:
patent: 2644686 (1953-07-01), Dann
patent: 2736999 (1956-03-01), Rouan et al.
patent: 3561751 (1971-02-01), Dutro
patent: 4134579 (1979-01-01), Polarek et al.
patent: 4169341 (1979-10-01), Roetter et al.
patent: 4403770 (1983-09-01), Ferguson et al.

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