Liquid supplying device and liquid ejection apparatus
US7914124B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2007 |
| Grant date | Mar 29, 2011 |
| Priority date | — |
| Expiry date | Jan 6, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17596
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A valve unit supplies ink supplied from a plurality of ink cartridges to a recording head. The recording head includes a plurality of nozzle rows respectively corresponding to the plurality of ink cartridges. The valve unit includes a plurality of liquid supply passages and at least one flow passage formation body. Each liquid supply passage supplies the ink supplied from the corresponding ink cartridge to the corresponding nozzle row. Each liquid supply passage includes a common portion functionally in common with another liquid supply passage. The common structure of the plurality of liquid supply passages is formed in the same flow passage formation body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.