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US 5,191,836 AGranted
Printing unit for a rotary press
AssigneeAlbert-Frankenthal AG
InventorAnton Weis
Life of this patent
Estimating the term…
Abstract
A printing unit for a rotary printing press can accomplish a flying plate change by utilizing a pair of forme cylinders in conjunction with an impression cylinder and an ink forme roller which are both pivotably supported. Both the impression cylinder and the ink roller can be moved into engagement with one of the forme cylinders while the printing plate on the other forme cylinder is being changed.
Claims5
A printing unit in a rotary printing press capable of executing a flying plate change, said printing unit comprising:
- first and second forme cylinders;
- an impression cylinder engageable with a selected one of said first and second forme cylinders;
- means to move said impression cylinder between first and second printing positions in contact with said first and second forme cylinders;
- an ink forme roller engageable with a selected one of said first and second forme cylinders and having an axis of rotation, said ink forme roller being movable between said first and second printing positions about a swivel axis, said axis of rotation of said ink forme roller being intermediate said first and second forme cylinders and said swivel axis and parallel thereto;
- an inking unit associated with said ink forme roller and movable about said swivel axis;
- a swinging arm assembly supporting said ink forme roller and said inking unit, said swinging arm assembly being movable about said swivel axis;
- and
- means to move said ink forme roller between said first and second printing positions in contact with said first and second forme cylinders by moving said swinging arm assembly about said swivel axis.
5 more elements
Dependencies are inferred from the claim text.