Image adjusting apparatus for multi-color printing machine

Details Image adjusting apparatus for multi-color printing machine Image adjusting apparatus for multi-color printing machine

1988-11-09

1990-05-08

Fisher, J. Reed

Printing

Multicolor

Rotary machines

101232, 101248, B41F 2110, B41F 710

Patent

active

049228196

ABSTRACT:
In a multi-color printing machine, any positional error of a image is corrected by a longitudinal image displacement correcting mechanism and/or a diagonal image adjusting mechanism. In the former mechanism, the phase of a paper-feed cylinder relative to an impression cylinder is changed by utilizing the principle of a helical gear. In the latter mechanism, the paper-feed cylinder is tilted or twisted relative to the impression cylinder.

REFERENCES:
patent: 2539068 (1951-01-01), Funk
patent: 2660115 (1953-11-01), Ras
patent: 3413920 (1968-12-01), Kaneko et al.
patent: 4457231 (1984-07-01), Kawaguchi

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