Recording head, carriage and image forming apparatus
US7264338B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2004 |
| Grant date | Sep 4, 2007 |
| Priority date | — |
| Expiry date | Oct 24, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14419
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A recording head is provided with a plurality of nozzles for ejecting a fluid, a plurality of pressure-applied chambers arranged in a predetermined direction and each communicating with a corresponding one of the nozzles, and a common chamber having a plurality of wall surfaces and configured to supply the fluid to the pressure-applied chambers. At least one of the wall surfaces of the common chamber, along the predetermined direction, has a pressure absorbing surface with a rigidity lower than those of other wall surfaces and configured to absorb a pressure change, and the pressure absorbing surface is formed by a pressure absorbing member having a non-uniform thickness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.