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US 5,347,926 AGranted
Printing element for a rotary printing machine having a plurality of receiving carriages for an impression cylinder
AssigneeOfficine Meccaniche Giovanni Cerutti S.p.A.
InventorsGiuseppe Fantoni, Mario Forno, Gianfranco Gibellino, Giampiero Miglietta
Life of this patent
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Abstract
In a rotary printing machine, a pressure roller is mounted on a slide that is reciprocally and linearly moved along two mutually orthogonal directions in order to change impression cylinders.
Claims9
An arrangement for changing impression cylinders in a rotary printing machine through which a web is guided, comprising:
- a first carriage having a first impression cylinder mounted thereon for rotary movement about a first axis;
- a second carriage having a second impression cylinder mounted thereon for rotary movement about a second axis that is generally parallel to, and spaced transversely along a longitudinal direction away from, the first axis;
- a slide mounted on the machine for movement along the longitudinal direction, and also for movement along an elevation direction that is generally perpendicular to the longitudinal direction and said axes;
- a pressure roller mounted on the slide for joint movement therewith;
- elevation drive means for reciprocally and linearly moving the slide and the pressure roller along the elevation direction between working positions in each of which the pressure roller presses the web into engagement with a respective impression cylinder, and transit positions in each of which the pressure roller is spaced away from the respective impression cylinder;
- and
- longitudinal drive means for reciprocally and linearly moving the slide and the pressure roller along the longitudinal direction between the transit positions.
4 more elements
Dependencies are inferred from the claim text.