Inking unit for printing presses

Details Inking unit for printing presses Inking unit for printing presses

1984-10-18

1985-10-15

Fisher, J. Reed

Printing

Inkers

Roller

101DIG14, B41F 3114, B41L 2716

Patent

active

045467013

ABSTRACT:
An inking unit for printing machines wherein ink is fed in a metered fashion from an ink supply tank to inking rollers of the inking unit by which an ink film is applicable to a printing plate via a plurality of ink form rollers respectively in contact with a distributor roller and disengageable from a plate cylinder, the last of the plurality of form rollers, as viewed in rotational direction of the plate cylinder, being constructed so as to oscillate, including a roller shaft mounted so as to be fixed against rotation in bearings on the printing machine, the oscillating form roller having a casing with an outer cylindrical surface, the form roller casing being rotatably mounted on the roller shaft and being axially displaceable on the roller shaft for performing a stroke limited at both sides by respective pairs of bushings also mounted on the roller shaft, and including a respective compression spring disposed between the bushings of the respective pairs of bushings on each side of the oscillating form roller.

REFERENCES:
patent: 1027384 (1912-05-01), Green
patent: 1533062 (1925-04-01), Paane
patent: 3625148 (1971-12-01), Muselik

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