Printing – Rolling contact machines – Rotary
Patent
1976-07-30
1979-02-13
Fisher, J. Reed
Printing
Rolling contact machines
Rotary
101181, 101352, B41F 1320, B41F 1330, B41F 1344
Patent
active
041389441
ABSTRACT:
A printing press for use in printing a continuous paper web having a fountain section and a plate section each pivotally mounted to a main frame. The fountain section includes a removable ink fountain and rotatably mounted fountain and transfer rolls, and the plate section includes a rotatably mounted plate cylinder. An impression cylinder is rotatably mounted in the main frame. The fountain section is pivotal for selective engagement and separation of the transfer roll with the plate cylinder, and the plate section is pivotal for selective engagement and separation of the plate cylinder with the transfer roll and the web supporting impression cylinder. The pivotal sections are actuated by hydro-pneumatic cylinders and are adjusted against mechanical stops which maintain the adjustment of the contacts between the respective cylinders and rolls. The fountain section also has adjustment and mechanical stop devices for selectively engaging and separating the fountain roll with the transfer roll. The print or plate cylinder is adjustable reciprocally along a plane such that the exchange of plate cylinders of different sizes is readily accommodated by the adjustable position of that cylinder along the mounting plane and does not require an appreciable adjustment of the rotating axis of the transfer roll.
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Biggar, Jr. Frank M.
Fisher J. Reed
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