Ink key control system

Details Ink key control system Ink key control system

1975-03-24

1977-02-22

Burr, Edgar S.

Printing

Inkers

Fountains

101350, 101207, 250226, 324140R, B41F 3104

Patent

active

040086640

ABSTRACT:
In a printing press, a remote control apparatus for adjusting ink keys to control ink film thickness at various lateral portions of the ink fountain has an inspection table for supporting paper printed with an image by the press and a plurality of switches mounted at the leading edge of the paper on the table. Each switch is aligned with a respective portion of the printed image corresponding to a respective ink key wich can be adjusted by the switch. A display such as a cathode ray tube simultaneously displaying the settings of all of the ink keys is combined with the inspection table and switch arrangement, with the setting of each ink key being displayed in a different horizontal location, arranged in the same horizontal order as the switches that control them. A respective portion of the display image is vertically deflected for each respective key position, with increasing deflection corresponding to increasing ink film thickness, to create an image of the shape of the ink film distribution. Each of the switches is operable from a neutral position to far and near positions to adjust the respective ink key and consequently change the deflection of the respective portion of the display image. The geometrical relationship of image, keys, switches, and display provides great operating convenience.

REFERENCES:
patent: 2902927 (1959-09-01), Ross
patent: 2968988 (1961-01-01), Crosfield
patent: 2969016 (1961-01-01), Crosfield et al.
patent: 3376426 (1968-04-01), Frommer et al.
patent: 3474438 (1969-10-01), Lanher
patent: 3487308 (1969-12-01), Johnson
patent: 3623430 (1971-11-01), Lessnn
patent: 3741118 (1973-06-01), Carley
patent: 3792659 (1974-02-01), Albrecht

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