Roller shifting device for printing press
US5269221A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1992 |
| Grant date | Dec 14, 1993 |
| Priority date | — |
| Expiry date | Dec 1, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41F7/26
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A roller shifting device for a printing press comprises first support means for supporting a form dampening roller for shifting the form dampening roller relative to a surface of a plate on a plate cylinder between a first contacting position and a second released position, second support means for supporting a transfer roller for shifting the transfer roller relative to the form dampening roller between a first contacting position and a second released position, third support means for supporting another roller other than the transfer roller and to be contacted with and released from the form dampening roller for shifting the another roller between a first contacting position and a second released position, means for cooperating the first, second and third support means for synchronous shifting between the first and second positions, means for differentiating a shifting stroke and/or direction of the tfirst support means from those of the second and third support means, and actuating means associated with one of the first, second and third means for driving to shift the first, second and third support means in synchronism with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.