Device for shifting oscillating rollers in a printing machine

Details Device for shifting oscillating rollers in a printing machine Device for shifting oscillating rollers in a printing machine

1991-11-22

1992-08-04

Fisher, J. Reed

Printing

Inkers

Roller

101DIG38, B41F 3114, B41F 3116, B41L 2718

Patent

active

051349396

ABSTRACT:
An oscillating roller for offset printing machines has a central shaft fitted for appropriate rotation into a frame of the machine, and a concentric oscillating cylinder. A cotter fitted on the cylinder engages in a guiding groove of the shaft in order to ensure common rotation of the two components without preventing their respective axial shifts. Two chambers made up by the cylinder and the shaft can be alternatively subjected to hydraulic pressure in order to cause the cylinder to shift axially in the one or the other direction.

REFERENCES:
patent: 3013489 (1961-12-01), Moser et al.
patent: 3179047 (1965-04-01), Ordway
patent: 4205605 (1980-06-01), Greiner et al.
patent: 4508013 (1985-04-01), Barbagli

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