Printing press having various printing heads

Details Printing press having various printing heads Printing press having various printing heads

1984-06-12

1988-07-12

Fisher, J. Reed

Printing

Selective or progressive

Numbering

101227, 101234, 101375, 101246, 101247, B41F 1328, B41F 1354

Patent

active

047562455

ABSTRACT:
A self-standing printing apparatus is described which includes a paper feeder for feeding individual sheets of paper, an impression cylinder and an accessory shaft adjacent the impression cylinder on which various types of printing heads may be mounted, including a numbering device. A counter roller may also be provided adjacent the impression cylinder for perforating the paper against perforating strips which may be provided on the surface of the impression cylinder. The impression cylinder is adapted to move out of contact with the various printing heads on the accessory shaft and the counter roller when the paper supply is interrupted. As the paper supply is reinstated, the impression cylinder automatically moves back into position. A particular paper supply and transfer device is also described as well as a novel inking unit. A stacking plate for stacking the printed sheets along with jogger devices are provided.

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