Ribbon shield for impact printer and method for controlling ink flow therein
US4684273A · kind A · utility
1Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 1985 |
| Grant date | Aug 4, 1987 |
| Priority date | — |
| Expiry date | May 30, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J35/26
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A ribbon shield for a dot matrix printer which is comprised of a step contoured recessed cavity such that the ribbon sequentially wipes against an upper edge, a lower edge, towards the paper, the other lower edge and the other upper edge and the ink removed accumulates in the cavity whereby it is restrained from flowing onto the paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.