Folding machine of a rotary press

Details Folding machine of a rotary press Folding machine of a rotary press

1990-05-23

1992-01-14

Look, Edward K.

Sheet-material associating

With printing

Folding, with rotary printer

493444, 493445, 270 50, B42C 100

Patent

active

050803395

ABSTRACT:
A folding machine of a rotary press is of the type that after superposed paper sheets have been cut out by means of a folding drum and a cutting drum, a folding blade is projected from the folding drum to insert the cut paper sheets between a pair of folding rollers for folding. A gap adjusting device for the folding rollers is composed of a pair of support arms for the folding rollers which are swingable about a pair of fixed shafts. Vertically movable adjusting tables are disposed under the respective support arms and a pair of links connect the adjusting tables with the respective support arms. In a variation a pair of arms pivotably supporting the folding rollers are coupled via a pair of adjusting levers pivotably supported from a single support shaft disposed under a middle portion of the support shafts of the arms and links. According to a third aspect, the respective folding rollers and the gap adjusting device for the folding rollers are mounted on a common support table, and the support table is supported so as to be movable with respect to the folding drum in the radial direction thereof.

REFERENCES:
patent: 1937453 (1933-11-01), Wood
patent: 1985917 (1935-01-01), Crafts
patent: 4190242 (1980-02-01), Bolza-Schunemann

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