Easy-of-maintenance printing press having a stack of offset perfecting printing units
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Nov 8, 2001
app pub date -
Apr 4, 2001
filing date -
Apr 27, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A plurality of offset perfecting printing units are stacked up for concurrently printing both sides of a continuous web of paper. Each printing unit comprises blanket cylinders held against each other, two plate cylinders held one against each blanket cylinder, and two inking mechanisms for inking the plate cylinders. The blanket cylinders and plate cylinders of all the printing units are rotatably supported by and between a pair of fixed bearing walls secured to the framework of the machine. The inking mechanisms of all the printing units are supported respectively by and between two pairs of movable bearing walls which are mounted to the framework for movement into and out of contact with the fixed pair of bearing walls in order to carry the inking mechanisms into and out of inking engagement with the plate cylinders of all the printing units. Upon retraction of the movable pairs of bearing walls away from the fixed pair of bearing walls, spaces are created between the plate cylinders and the inking mechanisms for accommodating maintenance personnel. Locking mechanisms are provided for holding the two movable pairs of bearing walls urged against the fixed pair of bearing walls.
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