Reversible-drive offset rotary printing machine

Details Reversible-drive offset rotary printing machine Reversible-drive offset rotary printing machine

1981-11-20

1983-08-16

Fisher, J. Reed

Printing

Multicolor

Rotary machines

101180, 101182, 101221, B41F 710

Patent

active

043984649

ABSTRACT:
To provide for change of direction of rotation of the impression cylinders in a 10-cylinder printing system, and selective operation of blanket-impression cylinder or blanket-blanket printing, at least some of the gears driving the cylinders are axially shiftable, and rotation-reversal gears can be selectively switched in position with respect to drive power to drive, directly, from a main shaft (11), the one impression cylinder (2) with further drive (22) of the second impression cylinder (1), directly or via a second rotation-reversal gear (19); or, for blanket-to-blanket operation, disengagement of the rubber blankets from the impression cylinders by shifting-away of the centers of rotation thereof, and drive from the main drive shaft of the respective rubber cylinders through plate cylinders (9, 10) closest to the main drive train, and subsequent drive of rubber cylinders (5, 6; 3, 4) and the associated plate cylinders (7, 8) through the rubber cylinder--rubber cylinder plate cylinder system.

REFERENCES:
patent: 3329086 (1967-07-01), Pullen
patent: 4281595 (1981-08-01), Fujishiro

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