Droplet discharge head and image forming apparatus including same
US9044946B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2014 |
| Grant date | Jun 2, 2015 |
| Priority date | — |
| Expiry date | Aug 28, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14419
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A droplet discharge head includes a nozzle substrate containing a plurality of nozzles to discharge droplets; a channel substrate to form a plurality of individual liquid chambers to which the plurality of nozzles communicate; a common liquid chamber member, comprising a wall, to form a common liquid chamber to supply liquid to the plurality of individual liquid chambers; a wall member to form a deformable damper area on a part of the wall of the common liquid chamber member, in which the channel substrate and the common liquid chamber member are laminated together with the wall member sandwiched in between, and the channel substrate includes a concave-shaped damper chamber corresponding to the damper area; and a plurality of support pillars disposed on a concave-shaped bottom of the damper chamber, the support pillar connecting to the wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.