Head unit in ink jet printer
US6863390B2 · kind B2 · utility
9Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2002 |
| Grant date | Mar 8, 2005 |
| Priority date | — |
| Expiry date | Aug 21, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14419
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A head chip has a front face formed with nozzle orifices, and a rear face formed with at least one ink inlet. A damping chamber forming member is laminated on the rear face of the head chip. The damping chamber forming member has at least one damping chamber for dampening pressure fluctuation occurred therein, and an ink supply port for supplying ink from the damping chamber to the head chip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.