Unit-to-unit register adjusting apparatus for use in a sheet-fed

Details Unit-to-unit register adjusting apparatus for use in a sheet-fed Unit-to-unit register adjusting apparatus for use in a sheet-fed

1984-03-09

1988-07-26

Fisher, J. Reed

Printing

Rolling contact machines

Rotary

1014151, B41F 1312, B41F 2700, B41F 722

Patent

active

047592877

ABSTRACT:
A unit-to-unit register adjusting apparatus and method for multicolor printing presses includes a plate cylinder, a first plate clamping device on the leading side and a second plate clamping device on the trailing side for jointly clamping a plate on the plate cylinder. Each of the first and second plate clamping devices is disposed in an axial groove in the plate cylinder. The first plate clamping device is adjustably angularly movable by an adjustment bolt in the circumferential direction of the plate cylinder. The second plate clamping device is positionally adjustable by an adjustment bolt in the axial direction of the plate cylinder. By adjusting the first and second plate clamping devices in position on the plate cylinder, the plate can be positionally adjusted circumferentially and axially of the plate cylinder for complete registry with another plate on another plate cylinder. The adjustment bolts have graduations for allowing the operator to know an angular position thereof reliably through numerical confirmation.

REFERENCES:
patent: 2123997 (1938-07-01), Jirousek
patent: 2775198 (1956-12-01), Johnson et al.
patent: 3154012 (1964-10-01), Fischer
patent: 3168040 (1965-02-01), Norton
patent: 3835778 (1974-09-01), Bock
patent: 3851583 (1974-12-01), Norton
patent: 3858512 (1975-01-01), Simeth
patent: 3884147 (1975-05-01), Abendroth
patent: 4100851 (1978-07-01), Jahn

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