Picture adjusting device in sheet-feed press
AssigneeRyobi Ltd.
InventorKoji Ishii
Life of this patent
Estimating the term…
Abstract
A picture adjusting device in a sheet-feed press having a rotating sheet-feed cylinder feeding paper to a rotating impression cylinder. The sheet-feed cylinder has a movable bearing on at least one end of its shaft so that the sheet-feed cylinder is tiltable with respect to impression cylinder, thereby allowing adjustment of the positioning of the picture on the page.
Claims5
A picture adjusting device in a plural-color sheet-feed press having a base impression cylinder and, for each color to be printed, a plate cylinder and an inked impression cylinder disposed parallel to said base impression cylinder, said picture adjusting device comprising:
- a frame, said base impression cylinder and said plate and inked impression cylinders being rotatably supported on said frame;
- a rotatable paper-feed cylinder for feeding paper to said impression cylinder, said paper-feed cylinder being separate from said base impression cylinder and said plate and inked impression cylinders;
- and
- bearing means for supporting a shaft of said paper-feed cylinder at its opposite ends by said frame, at least one of said bearing means including support means movable in a plane substantially perpendicular to said shaft, whereby said paper-feed cylinder has a rotation axis tiltable relative to a rotation axis of said base impression cylinder to adjust a placement of a sheet of paper fed to said base impression cylinder relative to said plate and inked impression cylinders.
Dependencies are inferred from the claim text.