Device for the circumferential adjustment of a form cylinder

Details Device for the circumferential adjustment of a form cylinder Device for the circumferential adjustment of a form cylinder

1978-05-08

1980-04-01

Fisher, J. Reed

Printing

Rolling contact machines

Rotary

101181, B41F 1314

Patent

active

041955692

ABSTRACT:
An arrangement for adjusting the rotational phase angle of the form cylinder of a printing machine to obtain proper image registration, for example for multicolor printing operations. Adjustment is accomplished by a toothed ring which can be rotationally adjusted and which is slidably engaged with a connecting gear affixed to a drive gear. A control shaft may be rotated to axially move the drive gear with respect to the toothed ring, and an expandable radial bearing is coupled between the control shaft and the drive gear.

REFERENCES:
patent: 2181895 (1939-12-01), Huck
patent: 3308752 (1967-03-01), Stevenson

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