Ink cartridge for liquid electrographic imaging devices
US5970273A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 1998 |
| Grant date | Oct 19, 1999 |
| Priority date | — |
| Expiry date | Jul 7, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/104
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An ink cartridge for use in an ink replenishment system in an electrographic imaging device. The removable ink cartridge is configured to engage with a cartridge interface assembly and a detector in an ink cartridge bay on an electrographic imaging device. The ink cartridge has an outer shell comprising at least a first compartment containing a liquid ink and a second compartment. A first valve is fluidly coupled to the first compartment. Second and third valves are fluidly coupled to the second compartment. The first, second, and third valves are adapted to engage with corresponding valves at the cartridge interface assembly. A plurality of key slots are provided for receiving one or more key tabs that identify the ink cartridge. The key tabs are positioned to engage with the detector in the ink cartridge bay. A cap for an ink cartridge is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.