Off-set printing machine for printing continuous web

Details Off-set printing machine for printing continuous web Off-set printing machine for printing continuous web

1988-09-30

1990-08-07

Fisher, J. Reed

Printing

Rolling contact machines

Rotary

101248, 101228, B41F 704, B41F 1314

Patent

active

049458302

ABSTRACT:
An off-set printing machine for printing a continuous web includes a first pair of gears 12c, 14b in mesh with each other, one gear being fixedly mounted coaxially on one of blanket and impression cylinders 12, 14 for rotation therewith while the other gear is rotatably mounted coaxially on the other of the cylinders and is releasably fixable thereto for rotation therewith. There are provided a second pair of gears 12b, 10b in mesh with each other, one of the second pair of gear being fixedly mounted coaxially on one of the blanket and plate cylinders 12, 10 for rotation therewith while the other of the second pair of gears is rotatably mounted coaxially on the other of the blanket and plate cylinders and is releasably fixable thereto for rotation therewith. The amount of feed of the printing sheet can be easily changed by circumferentially changing the position of the blanket cylinder with respect to the impression cylinder, without changing the circumferential position of the blanket cylinder relative to the plate cylinder. Similarly, the circumferential position of the plate cylinder relative to the blanket cylinder can also be changed to adjust the position of the printed image on the printing sheet in the direction of the length of the sheet.

REFERENCES:
patent: 3474727 (1969-10-01), Kampf
patent: 4057012 (1977-11-01), Heidemann
patent: 4350093 (1982-09-01), Ishii
patent: 4512256 (1985-04-01), Schriber et al.
patent: 4527472 (1985-07-01), Davison
patent: 4549485 (1985-10-01), Nawrath
patent: 4563950 (1986-01-01), Fischer
patent: 4785734 (1988-11-01), Kawana et al.
patent: 4817525 (1989-04-01), Yagi

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