Recording head having stress-minimizing construction
US5189443A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 29, 1992 |
| Grant date | Feb 23, 1993 |
| Priority date | — |
| Expiry date | Jun 29, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/1637
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink jet cartridge includes a top plate having an orifice plate in which ejection outlets for permitting ejection of ink are formed and a portion for defining ink passages communicating with the ink ejection outlets, a heater board joined with the top plate to define the ink passage, a thin plate having a connecting region for pressing and fixing the orifice plate to the heater board, and an ink container for containing the ink to be supplied to the ink passages, wherein the thin plate is connected with the orifice plate on at least one of four sides of the orifice plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.