Liquid application system and apparatus for a rotary printing ma

Details Liquid application system and apparatus for a rotary printing ma Liquid application system and apparatus for a rotary printing ma

1985-05-28

1987-03-03

Fisher, J. Reed

Printing

Inkers

Roller

101DIG14, B41F 3114, B41F 3126

Patent

active

046466380

ABSTRACT:
Drive power for axially oscillating a rider roller (1, 27, 60) is obtained by coupling the rotary movement transferred thereto by frictional engagement with a counter roller (2, 28, 61) to an internal gearing, coupled to a cam - cam follower arrangement over a reduction gearing. The system is particularly suitable for moving fluid film, for example printing ink from an end region of the counter roller, which may be an ink application roller, towards the middle, by use of two jacket portions (4, 5; 30, 31; 63, 64) on the rider roller, which jacket portions come in engagement with the counter roller only when the axially oscillatory movement of the particular jacket portion is from an end portion of the counter roller towards the middle; upon reversal of the stroke of the axially oscillatory movement, the other jacket half, by eccentric offset, then comes into engagement with the counter roller to then, again, move film or liquid from the other end portion towards the center of the counter roller.

REFERENCES:
patent: 3625148 (1971-12-01), Muselik
patent: 4337699 (1982-07-01), Beisel

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