Operating lever mechanism for offset printing press

Details Operating lever mechanism for offset printing press Operating lever mechanism for offset printing press

1989-04-28

1990-03-13

Fisher, J. Reed

Printing

Planographic

Rotary machines

101148, 101352, B41F 706, B41F 740, B41F 3130

Patent

active

049075071

ABSTRACT:
An offset printing press having an operating lever mechanism which is capable of controlling sequential printing operations by manipulating a single operating lever. The offset printing press includes an inking roller system and a dampening roller system. The inking roller system is supported to a first pair of frames, while the dampening roller system is supported to a second pair of frames pivotable relative to the first pair of frames. The operation lever provides pivotal motion of the second pair of frames for selectively applying water to a plate cylinder from the dampening roller system. Further, rollers in the dampening roller system are movable toward and away from each other.

REFERENCES:
patent: 2967475 (1961-01-01), Ritzerfeld
patent: 3155036 (1964-11-01), Ritzerfeld
patent: 3956985 (1976-05-01), Ishii
patent: 4676156 (1987-06-01), Aylor et al.

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