Printing – Rolling contact machines – Rotary
Patent
1994-02-22
1995-01-17
Eickholt, Eugene H.
Printing
Rolling contact machines
Rotary
101477, 101181, B41F 1324
Patent
active
053817346
ABSTRACT:
A web-fed rotary printing press having a main drive includes, in combination, a plurality of consecutively arranged printing units and a printing unit for flying printing-form exchange having an auxiliary drive and a plurality of printing-unit cylinders, at least one of which has a shaft, the plurality of printing-unit cylinders including two printing-form cylinder-transfer cylinder pairs for the printing-form exchange, and a common, rotating impression cylinder driven via the main drive, one of the cylinder pairs being inactivatable and the other being bringable into engagement with the common, rotating impression cylinder so as to be driven by the main drive, two gearwheels positioned on the shaft of the one cylinder of the printing unit for the flying printing-form exchange, including a drive for the respective printing-form cylinder-transfer cylinder pair which is decouplable from the main drive, during an imprinting operation, and connectable via a coupling device with the auxiliary drive, includes an arrangement of the printing-form cylinders, the transfer cylinders and the impression cylinder in a substantially vertically extending installed position, a respective upper cylinder pair formed of one of the printing-form cylinders and one of the transfer cylinders, and a respective lower cylinder pair formed of the other of the printing-form cylinders and the other of the transfer cylinders being disengageable in common from the impression cylinder.
REFERENCES:
patent: 2425167 (1947-08-01), Whitehead
patent: 3869983 (1975-03-01), Garber et al.
patent: 4346656 (1982-08-01), Schwaab et al.
patent: 4696229 (1987-09-01), Bezler et al.
patent: 4833982 (1989-05-01), Liebert et al.
patent: 5063844 (1991-11-01), Fausel
patent: 5186103 (1993-02-01), Gezinas et al.
Eickholt Eugene H.
Greenberg Laurence A.
Heidelberger Druckmaschinen AG
Lerner Herbert L.
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