Printing unit for a web-fed offset rotary press

Details Printing unit for a web-fed offset rotary press Printing unit for a web-fed offset rotary press

1985-04-05

1986-07-08

Fisher, J. Reed

Printing

Multicolor

Rotary machines

101180, B41F 702, B41L 1718

Patent

active

045986401

ABSTRACT:
In a web-fed offset rotary press printing unit comprising four cylinders (2-5), in order to move the two inner cylinders, for instance blanket cylinders (3, 4), apart from one another without having to move the outer cylinders (2, 5), the cylinder trunnions (6, 7) of the inner cylinders (3, 4) are positioned on double eccentric bushes (8, 9; 10, 11). By means of tie rods (16-19), all the pairs of eccentric bushes (8, 9; 10, 11) are pivoted in common about the same angle, resulting in a linear movement in opposite directions (P or P') by the inner cylinders (3, 4) with respect to the straight line (G) on which the four cylinders are disposed.

REFERENCES:
patent: 3470816 (1969-10-01), Piecha et al.
patent: 3527165 (1970-09-01), Harless

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