Printing machine register adjustment system

Details Printing machine register adjustment system Printing machine register adjustment system

1988-04-13

1989-04-18

Fisher, J. Reed

Printing

Multicolor

Rotary machines

101180, 101220, 101248, B41F 518, B41F 522

Patent

active

048216402

ABSTRACT:
To permit both circumferential as well as axial register adjustment of three printing couples (1, 2, 3), in which the respective cylinders of the printing couples are interconnected by spiral gears, two of the blanket cylinders (4, 8) are axially shiftable. The changes in circumferential register, upon changing of lateral register--due to the spiral gears--are compensated by position motor controllers (34, 44) which may include a microprocessor (50), automatically. Lateral register is set in a predetermined sequence by the respective cylinders, in accordance with the coupling of one of the plate cylinders (e.g. 5) with a printing machine main drive pinion (68).

REFERENCES:
patent: 4222325 (1980-09-01), Edwards
patent: 4394835 (1983-07-01), Gertsch et al.
patent: 4572074 (1986-02-01), Guaraldi
patent: 4635546 (1987-01-01), Grossman et al.
patent: 4638734 (1987-01-01), Grossman et al.
patent: 4753168 (1988-06-01), Theilacker

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