Liquid ejecting cartridge and recording device using same
US6443567B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 27, 2000 |
| Grant date | Sep 3, 2002 |
| Priority date | — |
| Expiry date | Apr 27, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17566
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid ejection head cartridge includes a head portion for ejecting liquid; a liquid supply portion for supplying the liquid to the recording head portion; an air vent for fluid communication with ambience and a negative pressure producing member accommodating container accommodating a negative pressure producing member capable of retaining liquid therein; a liquid reservoir having a liquid reservoir portion for containing liquid and constituting a substantially sealed space except for a communication portion with the negative pressure producing member accommodating container; a container holder for holding the liquid reservoir and the negative pressure producing member accommodating container which are in fluid communication with each other through the communicating portion and having a liquid supply path to the recording head from a liquid supply portion of the negative pressure producing member accommodating container; wherein the recording head portion, the negative pressure producing member accommodating container and the liquid reservoir are independently separable from the container holder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.