Conversion device of a storage drum for sheet transfer
US4014261A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 22, 1975 |
| Grant date | Mar 29, 1977 |
| Priority date | — |
| Expiry date | Dec 22, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41F21/108
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An assembly of a sheet transfer drum, a sheet-turning drum and a storage drum mounted on a shaft and located therebetween for transporting a sheet between individual printing units of a rotary printing press, includes a change-over mechanism for converting the printing press from single-side sheet printing to double-side perfector printing and conversely, as well as to different format sizes, the change-over mechanism having a control shaft axially displaceable from a non-controlling position to a single control position, a first control pinion mounted on the control shaft, first adjusting means for adjusting format size for double-side perfector printing, the first control pinion being forcibly coupled to the first adjusting means, a second control pinion mounted on the control shaft, second adjusting means mounted for rotation about the shaft of the storage drum, drive gear means for converting the rotary printing press from single-side sheet printing to double-side perfector printing, first cam means for adjusting the printing press from single-side sheet printing to double-side perfector printing and conversely, second cam means for adjusting the format size for double-side per…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.