Ink cartridge for a hard copy printing or plotting apparatus
US5467118A · kind A · utility
201Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1993 |
| Grant date | Nov 14, 1995 |
| Priority date | — |
| Expiry date | Dec 21, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17523
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An improved pen for a hard copy printing device. Reservoirs within the central chamber of an ink cartridge housing are sealingly coupled to individual ink channels connecting each reservoir individually and directly to an exterior surface of the cartridge housing. An ink filter, downstream of any ink contaminating features of the construction, is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.