Liquid drop jet head and ink jet recording apparatus
US6729716B2 · kind B2 · utility
13Cited by
5References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 9, 2002 |
| Grant date | May 4, 2004 |
| Priority date | — |
| Expiry date | Jul 9, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14411
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid drop jet head includes a nozzle, a liquid room, a vibration board forming a wall surface of the liquid room, driving element, a support substrate to which an end part of the driving element is connected without connecting to the vibration board, and a gap between the support substrate and the vibration board at a position corresponding to a partition of the liquid room, wherein the vibration board includes a thin part and a thick part and the area of the thin part is divided by the thick part with which the driving element comes in contact.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.