Phase adjusting apparatus of sheet-fed rotary printing press wit

Details Phase adjusting apparatus of sheet-fed rotary printing press wit Phase adjusting apparatus of sheet-fed rotary printing press wit

1982-10-21

1984-07-03

Fisher, J. Reed

Printing

Rolling contact machines

Rotary

101248, B41F 2110, B41F 1312

Patent

active

044572310

ABSTRACT:
In a phase adjusting apparatus for use in a sheet-fed rotary printing press having a turn-over mechanism, there are provided a fixed gear meshing with a gear of a printing cylinder on the downstream side and secured to an end shaft of a turn-over cylinder in contact with two adjacent printing cylinders, an adjusting gear meshing with a gear of a printing cylinder on the upstream side and loosely mounted on the shaft, and radial two-armed levers pivotally mounted on a fixed gear and engaging an adjusting bolt coaxial with a turn-over cylinder, and pins inserted into openings of the fixed gear to engage the two-armed levers. With this construction it is possible to readily adjust the phase relationship between groups of cylinders on the upstream side and downstream side of the turn-over cylinder.

REFERENCES:
patent: 1839722 (1932-01-01), Aitchison
patent: 3793899 (1974-02-01), Bourbonnaud
patent: 4122773 (1978-10-01), Wirz

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